# 5K Races in Colorado (2026)

> 242 upcoming 5K races across Colorado.

- **Page:** https://runthis.run/races/colorado/5k

## Races

- **[Choice City Running Festival](https://runthis.run/event/rs-127976-choice-city-running-festival)** — Thu, Aug 6, 2026 · 7:00 PM CDT · Fort Collins, CO · 1 mile / Marathon / 10K / 5K
- **[RMRR August 5km and picnic](https://runthis.run/event/rs-96176-rmrr-august-5km-and-picnic)** — Thu, Aug 6, 2026 · 7:00 PM CDT · Centennial, CO · 5K
- **[Summer Sizzler- Denver](https://runthis.run/event/rs-122260-summer-sizzler-denver)** — Fri, Aug 7, 2026 · 7:00 PM CDT · Thornton, CO · 50 m / 1 mile / 5K / 10K / 9.3 mi
- **[Escalante Days 5K](https://runthis.run/event/rs-131602-escalante-days-5k)** — Fri, Aug 7, 2026 · 7:00 PM CDT · Dolores, CO · 5K
- **[All-Out Runapalooza](https://runthis.run/event/rs-140867-all-out-runapalooza)** — Fri, Aug 7, 2026 · 7:00 PM CDT · Arvada, CO · Marathon / 10K / 5K
- **[Dog Days of Summer](https://runthis.run/event/rs-164809-dog-days-of-summer)** — Fri, Aug 7, 2026 · 7:00 PM CDT · Longmont, CO · 3.5 mi / 1000 m
- **[5K at the Fair](https://runthis.run/event/rs-207513-5k-at-the-fair)** — Fri, Aug 7, 2026 · 7:00 PM CDT · Durango, CO · 5K
- **[Arapahoe Warrior 5K](https://runthis.run/event/rs-85930-arapahoe-warrior-5k)** — Fri, Aug 7, 2026 · 7:00 PM CDT · Centennial, CO · 5K
- **[Summer Sizzler- Colorado Springs](https://runthis.run/event/rs-122261-summer-sizzler-colorado-springs)** — Sat, Aug 8, 2026 · 7:00 PM CDT · Colorado Springs, CO · 50 m / 1 mile / 5K / 10K / 9.3 mi
- **[The Bullfrog Summer Surge](https://runthis.run/event/rs-207091-the-bullfrog-summer-surge)** — Sat, Aug 8, 2026 · 7:00 PM CDT · Lakewood, CO · 5K / 805 m
- **[Pancake Stampede 5K](https://runthis.run/event/rs-65108-pancake-stampede-5k)** — Sat, Aug 8, 2026 · 7:00 PM CDT · Littleton, CO · 5K
- **[Sunrise Stampede](https://runthis.run/event/rs-127613-sunrise-stampede)** — Fri, Aug 14, 2026 · 7:00 PM CDT · Longmont, CO · 5K / 1 mile
- **[Miles for Migraine Colorado](https://runthis.run/event/rs-143739-miles-for-migraine-colorado)** — Fri, Aug 14, 2026 · 7:00 PM CDT · Denver, CO · 2.0 mi / 5K
- **[CWCS 5K Color Fun Run](https://runthis.run/event/rs-182950-cwcs-5k-color-fun-run)** — Fri, Aug 14, 2026 · 7:00 PM CDT · Montrose, CO · 5K
- **[Run for PB& J 5K/10K/13.1 DENVER/AURORA](https://runthis.run/event/rs-198867-run-for-pb-j-5k-10k-13-1-denver-aurora)** — Fri, Aug 14, 2026 · 7:00 PM CDT · Centennial, CO · 5K / 10K / Marathon / 1 mile
- **[Bagel Run 5K/10K/13.1 DENVER/AURORA](https://runthis.run/event/rs-199392-bagel-run-5k-10k-13-1-denver-aurora)** — Fri, Aug 14, 2026 · 7:00 PM CDT · Centennial, CO · 5K / 10K / Marathon / 1 mile
- **[Frontier Academy Community 5K](https://runthis.run/event/rs-208868-frontier-academy-community-5k)** — Fri, Aug 14, 2026 · 7:00 PM CDT · Greeley, CO · 5K
- **[Yuma Police Department Donut 5k](https://runthis.run/event/rs-209903-yuma-police-department-donut-5k)** — Fri, Aug 14, 2026 · 7:00 PM CDT · Yuma, CO · 5K
- **[The Cheyenne Mountain Run](https://runthis.run/event/rs-31416-the-cheyenne-mountain-run)** — Fri, Aug 14, 2026 · 7:00 PM CDT · Colorado Springs, CO · 5K / 10K / 14.0 mi
- **[Erie Half & 5k](https://runthis.run/event/rs-15290-erie-half-5k)** — Sat, Aug 15, 2026 · 7:00 PM CDT · Erie, CO · Marathon / 5K
- **[Cancer League of Colorado Race 4 Research](https://runthis.run/event/rs-89533-cancer-league-of-colorado-race-4-research)** — Sat, Aug 15, 2026 · 7:00 PM CDT · Denver, CO · 5K
- **[Into the Hills Eltuck 5k](https://runthis.run/event/rs-108615-into-the-hills-eltuck-5k)** — Mon, Aug 17, 2026 · 7:00 PM CDT · Bellvue, CO · 5K
- **[Coyote Chase 5k](https://runthis.run/event/rs-114562-coyote-chase-5k)** — Fri, Aug 21, 2026 · 7:00 PM CDT · Louisville, CO · 5K
- **[Warrior Waterfront 5K](https://runthis.run/event/rs-164263-warrior-waterfront-5k)** — Fri, Aug 21, 2026 · 7:00 PM CDT · Grand Junction, CO · 5K
- **[Ram Run](https://runthis.run/event/rs-167423-ram-run)** — Fri, Aug 21, 2026 · 7:00 PM CDT · Denver, CO · 5K / 1 mile
- **[Jog in the Bog 5k](https://runthis.run/event/rs-208551-jog-in-the-bog-5k)** — Fri, Aug 21, 2026 · 7:00 PM CDT · Westminster, CO · 5K
- **[Byers Peak Stampede Half Marathon & 5K Run](https://runthis.run/event/rs-71835-byers-peak-stampede-half-marathon-5k-run)** — Fri, Aug 21, 2026 · 7:00 PM CDT · Fraser, CO · Marathon / 3.0 mi
- **[2026 True Impact Ministries 5K/10K](https://runthis.run/event/rs-96214-2026-true-impact-ministries-5k-10k)** — Fri, Aug 21, 2026 · 7:00 PM CDT · Centennial, CO · 5K / 10K
- **[2026 PH in the Park](https://runthis.run/event/rs-152294-2026-ph-in-the-park)** — Sat, Aug 22, 2026 · 7:00 PM CDT · Denver, CO · 5K / 1 mile
- **[Rebel Run 5k](https://runthis.run/event/rs-176219-rebel-run-5k)** — Sat, Aug 22, 2026 · 7:00 PM CDT · Denver, CO · 5K / 2.0 mi
- **[Pioneer Prairie Dog Half, 10k & 5k](https://runthis.run/event/rs-3356-pioneer-prairie-dog-half-10k-5k)** — Sat, Aug 22, 2026 · 7:00 PM CDT · Westminster, CO · Marathon / 10K / 5K
- **[11th Annual Log Hill Hustle](https://runthis.run/event/rs-79640-11th-annual-log-hill-hustle)** — Sat, Aug 22, 2026 · 7:00 PM CDT · Ridgway, CO · 5K / 10K
- **[RexRun For PAWSitivity 2026 Trail Run/Walk](https://runthis.run/event/rs-129026-rexrun-for-pawsitivity-2026-trail-run-walk)** — Fri, Aug 28, 2026 · 7:00 PM CDT · Aurora, CO · 5K / 1 mile
- **[Rocky Mountain 5K presented by School District 11](https://runthis.run/event/rs-147571-rocky-mountain-5k-presented-by-school-district-11)** — Fri, Aug 28, 2026 · 7:00 PM CDT · Colorado Springs, CO · 5K / 1000 m
- **[Historic Elizabeth Main Street 5K & Family Color Run](https://runthis.run/event/rs-148865-historic-elizabeth-main-street-5k-family-color-run)** — Fri, Aug 28, 2026 · 7:00 PM CDT · Elizabeth, CO · 5K / 1 mile
- **[Sloth Run 5K/10K/13.1 DENVER/AURORA](https://runthis.run/event/rs-198465-sloth-run-5k-10k-13-1-denver-aurora)** — Fri, Aug 28, 2026 · 7:00 PM CDT · Centennial, CO · 5K / 10K / Marathon / 1 mile
- **[Run for Hope - Colorado Springs](https://runthis.run/event/rs-199537-run-for-hope-colorado-springs)** — Fri, Aug 28, 2026 · 7:00 PM CDT · Colorado Springs, CO · 5K / 1 mile
- **[Run for Breast Cancer 5K/10K/13.1 DENVER/AURORA](https://runthis.run/event/rs-199871-run-for-breast-cancer-5k-10k-13-1-denver-aurora)** — Fri, Aug 28, 2026 · 7:00 PM CDT · Centennial, CO · 5K / 10K / Marathon / 1 mile
- **[Run Like the Wind 5k / 2k / Dog Jog](https://runthis.run/event/rs-202678-run-like-the-wind-5k-2k-dog-jog)** — Fri, Aug 28, 2026 · 7:00 PM CDT · Allenspark, CO · 5K / 1.2 mi
- **[Glow & Roll: Illuminate What's Possible](https://runthis.run/event/rs-206018-glow-roll-illuminate-whats-possible)** — Fri, Aug 28, 2026 · 7:00 PM CDT · Littleton, CO · 5K / 1.6 mi
- **[Waneka Classic 5K](https://runthis.run/event/rs-209987-waneka-classic-5k)** — Fri, Aug 28, 2026 · 7:00 PM CDT · Lafayette, CO · 5K
- **[Wine Run 5k at The Winery at Holy Cross Abbey](https://runthis.run/event/rs-150267-wine-run-5k-at-the-winery-at-holy-cross-abbey)** — Sat, Aug 29, 2026 · 7:00 PM CDT · Canon City, CO · 5K
- **[James Test Site](https://runthis.run/event/rs-153643-james-test-site)** — Sat, Aug 29, 2026 · 7:00 PM CDT · Lyons, CO · 5K / 10K
- **[4th Annual Roost Rebellion Relays](https://runthis.run/event/rs-148157-4th-annual-roost-rebellion-relays)** — Tue, Sep 1, 2026 · 7:00 PM CDT · Denver, CO · 3.2 mi
- **[South Fork Alder Ass Race](https://runthis.run/event/rs-129431-south-fork-alder-ass-race)** — Fri, Sep 4, 2026 · 7:00 PM CDT · South Fork, CO · 11.0 mi / 3.0 mi
- **[Break Your Neck: Walk, Run, or Roll](https://runthis.run/event/rs-167766-break-your-neck-walk-run-or-roll)** — Fri, Sep 4, 2026 · 7:00 PM CDT · Pueblo, CO · 5K / 10K
- **[Demon Dash](https://runthis.run/event/rs-187803-demon-dash)** — Fri, Sep 4, 2026 · 7:00 PM CDT · Arvada, CO · 5K
- **[Golden Harvest Half Marathon & 5k/10k - Denver](https://runthis.run/event/rs-194302-golden-harvest-half-marathon-5k-10k-denver)** — Fri, Sep 4, 2026 · 7:00 PM CDT · Westminster, CO · 50 m / 1 mile / 5K / 10K / Marathon
- **[The Beaver Run](https://runthis.run/event/rs-210725-the-beaver-run)** — Fri, Sep 4, 2026 · 7:00 PM CDT · Breckenridge, CO · 5K / 10K / 9.3 mi / 161 m
- **[Recovery Run of the Rockies 5K](https://runthis.run/event/rs-210745-recovery-run-of-the-rockies-5k)** — Fri, Sep 4, 2026 · 7:00 PM CDT · Fort Collins, CO · 5K
- **[Golden Harvest Half Marathon & 5k/10k - Colorado Springs](https://runthis.run/event/rs-194388-golden-harvest-half-marathon-5k-10k-colorado-springs)** — Sat, Sep 5, 2026 · 7:00 PM CDT · Colorado Springs, CO · 50 m / 1 mile / 5K / 10K / Marathon
- **[Oak Creek No Fun Run](https://runthis.run/event/rs-135428-oak-creek-no-fun-run)** — Sun, Sep 6, 2026 · 7:00 PM CDT · Oak Creek, CO · 5K
- **[FCA All-Abilities Labor Day 5K](https://runthis.run/event/rs-207458-fca-all-abilities-labor-day-5k)** — Sun, Sep 6, 2026 · 7:00 PM CDT · Loveland, CO · 5K / 1 mile
- **[Labor Day Half Marathon](https://runthis.run/event/rs-30929-labor-day-half-marathon)** — Sun, Sep 6, 2026 · 7:00 PM CDT · Parker, CO · Marathon / 10K / 5K
- **[14th Annual Superhero Event](https://runthis.run/event/rs-192301-14th-annual-superhero-event)** — Wed, Sep 9, 2026 · 7:00 PM CDT · Greeley, CO · 10K / 5K / 1 mile
- **[Res Hill Ruck](https://runthis.run/event/rs-211812-res-hill-ruck)** — Thu, Sep 10, 2026 · 7:00 PM CDT · Pagosa Springs, CO · 3.2 mi
- **[Spirit of the Valley 5k](https://runthis.run/event/rs-145028-spirit-of-the-valley-5k)** — Fri, Sep 11, 2026 · 7:00 PM CDT · Grand Junction, CO · 5K / 1000 m
- **[Tater Trot 5K](https://runthis.run/event/rs-168353-tater-trot-5k)** — Fri, Sep 11, 2026 · 7:00 PM CDT · Monte Vista, CO · 5K
- **[National Chocolate Day: Run for Chocolates 5K/10K/13.1 DENVER/AURORA](https://runthis.run/event/rs-198499-national-chocolate-day-run-for-chocolates-5k-10k-13-1-denver)** — Fri, Sep 11, 2026 · 7:00 PM CDT · Centennial, CO · 5K / 10K / Marathon / 1 mile
- **[For The City Network 5K](https://runthis.run/event/rs-199038-for-the-city-network-5k)** — Fri, Sep 11, 2026 · 7:00 PM CDT · Greeley, CO · 5K
- **[Run for Mental Health 5K/10K/13.1 DENVER/AURORA](https://runthis.run/event/rs-199914-run-for-mental-health-5k-10k-13-1-denver-aurora)** — Fri, Sep 11, 2026 · 7:00 PM CDT · Centennial, CO · 5K / 10K / Marathon / 1 mile
- **[The 10th Annual Run4Hope 5K for Schools](https://runthis.run/event/rs-207768-the-10th-annual-run4hope-5k-for-schools)** — Fri, Sep 11, 2026 · 7:00 PM CDT · Monument, CO · 5K / 2.0 mi
- **[The Denver 5k](https://runthis.run/event/rs-45602-the-denver-5k)** — Fri, Sep 11, 2026 · 7:00 PM CDT · Denver, CO · 5K
- **[6 Dot Dash](https://runthis.run/event/rs-86961-6-dot-dash)** — Fri, Sep 11, 2026 · 7:00 PM CDT · Littleton, CO · 5K
- **[Tiger Prowl 5K](https://runthis.run/event/rs-130984-tiger-prowl-5k)** — Sat, Sep 12, 2026 · 7:00 PM CDT · Denver, CO · 5K
- **[9/11 Heroes Run - Denver, Colorado](https://runthis.run/event/rs-165370-9-11-heroes-run-denver-colorado)** — Sat, Sep 12, 2026 · 7:00 PM CDT · Denver, CO · 5K / 1 mile
- **[31st El Grito 5k (2026)](https://runthis.run/event/rs-208866-31st-el-grito-5k-2026)** — Sat, Sep 12, 2026 · 7:00 PM CDT · Denver, CO · 5K
- **[Mad Dash 5K](https://runthis.run/event/rs-211649-mad-dash-5k)** — Sat, Sep 12, 2026 · 7:00 PM CDT · Milliken, CO · 5K
- **[RMRR September 5k/10k](https://runthis.run/event/rs-97124-rmrr-september-5k-10k)** — Sat, Sep 12, 2026 · 7:00 PM CDT · Thornton, CO · 10K / 5K
- **[Severance Glow 5K Run or Walk](https://runthis.run/event/rs-130780-severance-glow-5k-run-or-walk)** — Thu, Sep 17, 2026 · 7:00 PM CDT · Severance, CO · 5K
- **[Gummball 5K](https://runthis.run/event/rs-122959-gummball-5k)** — Fri, Sep 18, 2026 · 7:00 PM CDT · Brighton, CO · 5K
- **[Autumn Run](https://runthis.run/event/rs-129362-autumn-run)** — Fri, Sep 18, 2026 · 7:00 PM CDT · Buena Vista, CO · Marathon / 10K / 5K / 1000 m
- **[Miles 4 Madison 5K & 1K](https://runthis.run/event/rs-133188-miles-4-madison-5k-1k)** — Fri, Sep 18, 2026 · 7:00 PM CDT · Littleton, CO · 5K / 998 m
- **[All-Out Fall Fest](https://runthis.run/event/rs-140875-all-out-fall-fest)** — Fri, Sep 18, 2026 · 7:00 PM CDT · Westminster, CO · Marathon / 10K / 5K
- **[Lederhosen Race 2026](https://runthis.run/event/rs-148279-lederhosen-race-2026)** — Fri, Sep 18, 2026 · 7:00 PM CDT · Red Feather Lakes, CO · 3.6 mi
- **[2026 ColorFest Color Run/Walk 5K](https://runthis.run/event/rs-151571-2026-colorfest-color-run-walk-5k)** — Fri, Sep 18, 2026 · 7:00 PM CDT · Pagosa Springs, CO · 5K
- **[2026 Montbello Alive! 5K](https://runthis.run/event/rs-167704-2026-montbello-alive-5k)** — Fri, Sep 18, 2026 · 7:00 PM CDT · Denver, CO · 5K
- **[Champions for Children 5K Run/Walk](https://runthis.run/event/rs-170951-champions-for-children-5k-run-walk)** — Fri, Sep 18, 2026 · 7:00 PM CDT · Commerce City, CO · 5K
- **[Denver: Walk With Autism and Resource Fair](https://runthis.run/event/rs-181558-denver-walk-with-autism-and-resource-fair)** — Fri, Sep 18, 2026 · 7:00 PM CDT · Denver, CO · 3.7 mi / 5K
- **[Wellington STAR Foundation 5K 10K](https://runthis.run/event/rs-202373-wellington-star-foundation-5k-10k)** — Fri, Sep 18, 2026 · 7:00 PM CDT · Wellington, CO · 5K / 10K
- **[Stride for Hope 5K and Kids Fun Run](https://runthis.run/event/rs-211532-stride-for-hope-5k-and-kids-fun-run)** — Fri, Sep 18, 2026 · 7:00 PM CDT · Delta, CO · 5K / 1 mile
- **[Beulah Challenge and OverIt Series](https://runthis.run/event/rs-46556-beulah-challenge-and-overit-series)** — Fri, Sep 18, 2026 · 7:00 PM CDT · Beulah, CO · 10K / 5K / 32.4 mi
- **[20th Annual Golden Gallop](https://runthis.run/event/rs-105394-20th-annual-golden-gallop)** — Sat, Sep 19, 2026 · 7:00 PM CDT · Golden, CO · 5K / 10K / 12.4 mi
- **[Expo Park XC Runs](https://runthis.run/event/rs-134356-expo-park-xc-runs)** — Sat, Sep 19, 2026 · 7:00 PM CDT · Aurora, CO · 5K / 1.2 mi / 1.9 mi / 2.5 mi
- **[Chile & Frijole Hot to Trot 5K & 10K](https://runthis.run/event/rs-204249-chile-frijole-hot-to-trot-5k-10k)** — Sat, Sep 19, 2026 · 7:00 PM CDT · Pueblo, CO · 5K / 10K
- **[Connection 5k](https://runthis.run/event/rs-211365-connection-5k)** — Sat, Sep 19, 2026 · 7:00 PM CDT · CARBONDALE, CO · 5K
- **[Farmers 5000](https://runthis.run/event/rs-95088-farmers-5000)** — Sat, Sep 19, 2026 · 7:00 PM CDT · Wheat Ridge, CO · 5K
- **[Boggy Draw Bear Chase](https://runthis.run/event/rs-79994-boggy-draw-bear-chase)** — Thu, Sep 24, 2026 · 7:00 PM CDT · Dolores, CO · 1.9 mi / 5K
- **[HRCA Oktoberfest 5K](https://runthis.run/event/rs-122683-hrca-oktoberfest-5k)** — Fri, Sep 25, 2026 · 7:00 PM CDT · Littleton, CO · 5K
- **[25th Annual Black Canyon Triathlon](https://runthis.run/event/rs-143542-25th-annual-black-canyon-triathlon)** — Fri, Sep 25, 2026 · 7:00 PM CDT · Montrose, CO · 5K
- **[Mesa County Search & Rescue 5K](https://runthis.run/event/rs-150726-mesa-county-search-rescue-5k)** — Fri, Sep 25, 2026 · 7:00 PM CDT · Fruita, CO · 5K
- **[NIGHT NATION RUN - DENVER](https://runthis.run/event/rs-15463-night-nation-run-denver)** — Fri, Sep 25, 2026 · 7:00 PM CDT · Commerce City, CO · 5K
- **[Oktoberfest Run 5K/10K/13.1 DENVER/AURORA](https://runthis.run/event/rs-199674-oktoberfest-run-5k-10k-13-1-denver-aurora)** — Fri, Sep 25, 2026 · 7:00 PM CDT · Centennial, CO · 5K / 10K / Marathon / 1 mile
- **[Run for Donuts 5K/10K/13.1 DENVER/AURORA](https://runthis.run/event/rs-200082-run-for-donuts-5k-10k-13-1-denver-aurora)** — Fri, Sep 25, 2026 · 7:00 PM CDT · Centennial, CO · 5K / 10K / Marathon / 1 mile
- **[Run For Your Flapjacks 5K](https://runthis.run/event/rs-208788-run-for-your-flapjacks-5k)** — Fri, Sep 25, 2026 · 7:00 PM CDT · Oak Creek, CO · 5K
- **[McGinn Memorial Cross Country Challenge](https://runthis.run/event/rs-39431-mcginn-memorial-cross-country-challenge)** — Fri, Sep 25, 2026 · 7:00 PM CDT · Pagosa Springs, CO · 1.9 mi / 5K
- **[Runway 5K - Run for the Angels](https://runthis.run/event/rs-50063-runway-5k-run-for-the-angels)** — Fri, Sep 25, 2026 · 7:00 PM CDT · Broomfield, CO · 5K
- **[Lisa Nelson’s Mustang Stampede 5K](https://runthis.run/event/rs-51194-lisa-nelson-s-mustang-stampede-5k)** — Fri, Sep 25, 2026 · 7:00 PM CDT · Arvada, CO · 5K
- **[Parker Parks and Recreation So Long to Summer 5K/10K](https://runthis.run/event/rs-95482-parker-parks-and-recreation-so-long-to-summer-5k-10k)** — Fri, Sep 25, 2026 · 7:00 PM CDT · Parker, CO · 5K / 10K
- **[Greenland Open Space Pack Burro Race presented by Double Rainbow Ranch (8 Mile and 3 Mile)](https://runthis.run/event/rs-123189-greenland-open-space-pack-burro-race-presented-by-double-rai)** — Sat, Sep 26, 2026 · 7:00 PM CDT · Larkspur, CO · 8.0 mi / 3.0 mi
- **[WWE ANNUAL RUN WITH THE WOLVES](https://runthis.run/event/rs-129549-wwe-annual-run-with-the-wolves)** — Sat, Sep 26, 2026 · 7:00 PM CDT · Arvada, CO · 5K / 1000 m
- **[14er Fest 14K & 5K](https://runthis.run/event/rs-131319-14er-fest-14k-5k)** — Sat, Sep 26, 2026 · 7:00 PM CDT · Buena Vista, CO · 8.7 mi / 5K
- **[Grand Valley Brew Runs](https://runthis.run/event/rs-166951-grand-valley-brew-runs)** — Sat, Sep 26, 2026 · 7:00 PM CDT · Grand Junction, CO · 5K
- **[Joy & Justice 5k](https://runthis.run/event/rs-170020-joy-justice-5k)** — Sat, Sep 26, 2026 · 7:00 PM CDT · Timnath, CO · 5K / 1 mile
- **[Pat Mahan Memorial Foundation 5K](https://runthis.run/event/rs-186476-pat-mahan-memorial-foundation-5k)** — Sat, Sep 26, 2026 · 7:00 PM CDT · Wiggins, CO · 5K
- **[Running for Children's Rights to Both Parents - 9 of 50 Half Marathons in 50 States - Colorado](https://runthis.run/event/rs-205779-running-for-childrens-rights-to-both-parents-9-of-50-half-ma)** — Sat, Sep 26, 2026 · 7:00 PM CDT · Boulder, CO · Marathon / 5K / 10K
- **[Flyin' Lion 5K](https://runthis.run/event/rs-95801-flyin-lion-5k)** — Sat, Sep 26, 2026 · 7:00 PM CDT · Littleton, CO · 5K
- **[Water For People World Water Classic](https://runthis.run/event/rs-94683-water-for-people-world-water-classic)** — Thu, Oct 1, 2026 · 7:00 PM CDT · Anywhere, CO · 3.7 mi / 37.3 mi
- **[Rim to Rim Royal Gorge Races: 5K Road Run, Trail 8 Mile, Trail Half Marathon](https://runthis.run/event/rs-124509-rim-to-rim-royal-gorge-races-5k-road-run-trail-8-mile-trail-)** — Fri, Oct 2, 2026 · 7:00 PM CDT · Canon City, CO · 5K / 8.0 mi / Marathon / 10K
- **[Homecoming 5K - Colorado State University](https://runthis.run/event/rs-133569-homecoming-5k-colorado-state-university)** — Fri, Oct 2, 2026 · 7:00 PM CDT · Fort Collins, CO · 5K
- **[Spooky Sprint - Denver](https://runthis.run/event/rs-153154-spooky-sprint-denver)** — Fri, Oct 2, 2026 · 7:00 PM CDT · Littleton, CO · 50 m / 1 mile / 5K / 10K / Marathon
- **[Lafayette Music Fest -5K - 10K](https://runthis.run/event/rs-195431-lafayette-music-fest-5k-10k)** — Fri, Oct 2, 2026 · 7:00 PM CDT · Lafayette, CO · 10K / 5K
- **[Big Waves Family 5K run/walk](https://runthis.run/event/rs-77880-big-waves-family-5k-run-walk)** — Fri, Oct 2, 2026 · 7:00 PM CDT · Westminster, CO · 5K
- **[I Can 5k](https://runthis.run/event/rs-79095-i-can-5k)** — Fri, Oct 2, 2026 · 7:00 PM CDT · Thornton, CO · 5K
- **[PRA Miner Gold Rush](https://runthis.run/event/rs-79441-pra-miner-gold-rush)** — Fri, Oct 2, 2026 · 7:00 PM CDT · Broomfield, CO · 5K / 1 mile
- **[Colorado Springs Marathon, Half, 5K, and Kids K](https://runthis.run/event/rs-95592-colorado-springs-marathon-half-5k-and-kids-k)** — Fri, Oct 2, 2026 · 7:00 PM CDT · Colorado Springs, CO · Marathon / 5K / 1000 m
- **[RMRR October 5k/8mi](https://runthis.run/event/rs-100124-rmrr-october-5k-8mi)** — Sat, Oct 3, 2026 · 7:00 PM CDT · Aurora, CO · 8.0 mi / 5K
- **[Liberty Energy 5K - Benefiting the Bettering Human Lives Foundation](https://runthis.run/event/rs-163922-liberty-energy-5k-benefiting-the-bettering-human-lives-found)** — Sat, Oct 3, 2026 · 7:00 PM CDT · Denver, CO · 5K / 1000 m
- **[Rubey Rescue Run](https://runthis.run/event/rs-179891-rubey-rescue-run)** — Sat, Oct 3, 2026 · 7:00 PM CDT · Aspen, CO · 3.5 mi / 1 mile
- **[Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run](https://runthis.run/event/rs-84571-windsor-marathon-half-marathon-10k-5k-1-mile-run)** — Sat, Oct 3, 2026 · 7:00 PM CDT · Windsor, CO · Marathon / 10K / 5K / 1 mile
- **[Dialysis Dash 5K](https://runthis.run/event/rs-157517-dialysis-dash-5k)** — Fri, Oct 9, 2026 · 7:00 PM CDT · Grand Junction, CO · 5K
- **[Manitou 5K](https://runthis.run/event/rs-163854-manitou-5k)** — Fri, Oct 9, 2026 · 7:00 PM CDT · Manitou Springs, CO · 5K
- **[Kipling Villas 5K - 2026](https://runthis.run/event/rs-167844-kipling-villas-5k-2026)** — Fri, Oct 9, 2026 · 7:00 PM CDT · Littleton, CO · 5K
- **[Breckenridge RunFest](https://runthis.run/event/rs-178572-breckenridge-runfest)** — Fri, Oct 9, 2026 · 7:00 PM CDT · Breckenridge, CO · Marathon / 10K / 5K / 1 mile
- **[Footsteps for Families 5k Fun Run & Concert](https://runthis.run/event/rs-182412-footsteps-for-families-5k-fun-run-concert)** — Fri, Oct 9, 2026 · 7:00 PM CDT · Windsor, CO · 5K
- **[Bagel Run 5K/10K/13.1 DENVER/AURORA](https://runthis.run/event/rs-201389-bagel-run-5k-10k-13-1-denver-aurora)** — Fri, Oct 9, 2026 · 7:00 PM CDT · Centennial, CO · 5K / 10K / Marathon / 1 mile
- **[Coffee Lovers Run 5K/10K/13.1 DENVER/AURORA](https://runthis.run/event/rs-201512-coffee-lovers-run-5k-10k-13-1-denver-aurora)** — Fri, Oct 9, 2026 · 7:00 PM CDT · Centennial, CO · 5K / 10K / Marathon / 1 mile
- **[The Long View Marathon](https://runthis.run/event/rs-72759-the-long-view-marathon)** — Fri, Oct 9, 2026 · 7:00 PM CDT · Fort Collins, CO · Marathon / 5K
- **[Suffer Better 10th Annual Fall Trail Runs](https://runthis.run/event/rs-77745-suffer-better-10th-annual-fall-trail-runs)** — Fri, Oct 9, 2026 · 7:00 PM CDT · Pine, CO · 31.1 mi / 15.5 mi / 5K
- **[Westy Half & 5k](https://runthis.run/event/rs-15288-westy-half-5k)** — Sat, Oct 10, 2026 · 7:00 PM CDT · Westminster, CO · Marathon / 5K
- **[The Moony Pride 5k](https://runthis.run/event/rs-208619-the-moony-pride-5k)** — Sat, Oct 10, 2026 · 7:00 PM CDT · Fort Collins, CO · 5K
- **[Your Story Isn't Over 5k/10k/Kids 1-Mile](https://runthis.run/event/rs-210192-your-story-isnt-over-5k-10k-kids-1-mile)** — Sat, Oct 10, 2026 · 7:00 PM CDT · Littleton, CO · 1 mile / 10K / 5K
- **[Whistle Pig Invitational](https://runthis.run/event/rs-154762-whistle-pig-invitational)** — Thu, Oct 15, 2026 · 7:00 PM CDT · Craig, CO · 5K
- **[Living Water 5K and Family Fun Run](https://runthis.run/event/rs-208385-living-water-5k-and-family-fun-run)** — Fri, Oct 16, 2026 · 7:00 PM CDT · Denver, CO · 3.2 mi
- **[Halloween Hustle for Charity](https://runthis.run/event/rs-208499-halloween-hustle-for-charity)** — Sat, Oct 17, 2026 · 7:00 PM CDT · Glenwood Springs, CO · 1500 m / 3.4 mi
- **[The Palmer Lake .5K (Yes "Point" 5)](https://runthis.run/event/rs-64025-the-palmer-lake-5k-yes-point-5)** — Sat, Oct 17, 2026 · 7:00 PM CDT · Palmer Lake, CO · 5K
- **[DU Crimson Classic 5K Run/1.5 Mile Walk](https://runthis.run/event/rs-168775-du-crimson-classic-5k-run-1-5-mile-walk)** — Tue, Oct 20, 2026 · 7:00 PM CDT · Denver, CO · 5K / 1.5 mi
- **[Apex Foundation Trick or Trot 5K & Halloween Hunt Powered by REP Fitness](https://runthis.run/event/rs-117155-apex-foundation-trick-or-trot-5k-halloween-hunt-powered-by-r)** — Fri, Oct 23, 2026 · 7:00 PM CDT · Arvada, CO · 5K / 1 mile
- **[YMCA of Pueblo Race Series](https://runthis.run/event/rs-163951-ymca-of-pueblo-race-series)** — Fri, Oct 23, 2026 · 7:00 PM CDT · Pueblo, CO · 5K
- **[YMCA of Pueblo Spooky Sprint 5K](https://runthis.run/event/rs-168272-ymca-of-pueblo-spooky-sprint-5k)** — Fri, Oct 23, 2026 · 7:00 PM CDT · Pueblo, CO · 5K
- **[Race to Cure Sarcoma Denver](https://runthis.run/event/rs-180151-race-to-cure-sarcoma-denver)** — Fri, Oct 23, 2026 · 7:00 PM CDT · Denver, CO · 5K / 1000 m
- **[Zedikiah Scholarship 5K](https://runthis.run/event/rs-209851-zedikiah-scholarship-5k)** — Fri, Oct 23, 2026 · 7:00 PM CDT · Denver, CO · 5K
- **[Mancos Cowboy Half Marathon, 5K, and Fun Run](https://runthis.run/event/rs-37476-mancos-cowboy-half-marathon-5k-and-fun-run)** — Fri, Oct 23, 2026 · 7:00 PM CDT · Mancos, CO · Marathon / 5K / 1 mile
- **[YMCA Creepy Crawl 5K presented by Corwin Honda](https://runthis.run/event/rs-53137-ymca-creepy-crawl-5k-presented-by-corwin-honda)** — Fri, Oct 23, 2026 · 7:00 PM CDT · Palmer Lake, CO · 5K / 1287 m
- **[Ghosts and Goblins 5K/10K](https://runthis.run/event/rs-139699-ghosts-and-goblins-5k-10k)** — Sat, Oct 24, 2026 · 7:00 PM CDT · Denver, CO · 5K / 10K
- **[The 14th Annual Odyssey Odyssey - 2026](https://runthis.run/event/rs-79904-the-14th-annual-odyssey-odyssey-2026)** — Sat, Oct 24, 2026 · 7:00 PM CDT · Denver, CO · 5K / 1 mile
- **[Halloween Fun Run 5k & 1mile - Zombie Theme](https://runthis.run/event/rs-135130-halloween-fun-run-5k-1mile-zombie-theme)** — Fri, Oct 30, 2026 · 7:00 PM CDT · Idaho Springs, CO · 5K / 1 mile
- **[Spooky Sprint - Colorado Springs](https://runthis.run/event/rs-153164-spooky-sprint-colorado-springs)** — Fri, Oct 30, 2026 · 7:00 PM CDT · Colorado Springs, CO · 1 mile / 5K / 10K / Marathon
- **[I Ain't Scared (of 5k)](https://runthis.run/event/rs-198388-i-aint-scared-of-5k)** — Fri, Oct 30, 2026 · 7:00 PM CDT · Thornton, CO · 5K
- **[PB&J Fuel Run 5K/10K/13.1 DENVER/AURORA](https://runthis.run/event/rs-201633-pb-j-fuel-run-5k-10k-13-1-denver-aurora)** — Fri, Oct 30, 2026 · 7:00 PM CDT · Centennial, CO · 5K / 10K / Marathon / 1 mile

_Showing the 150 soonest of 242 upcoming races. The full list is on [the page itself](https://runthis.run/races/colorado/5k)._

## 5K races by city

- [Denver, CO (34)](https://runthis.run/races/colorado/denver/5k.md)
- [Centennial, CO (32)](https://runthis.run/races/colorado/centennial/5k.md)
- [Colorado Springs, CO (13)](https://runthis.run/races/colorado/colorado-springs/5k.md)
- [Littleton, CO (13)](https://runthis.run/races/colorado/littleton/5k.md)
- [Arvada, CO (11)](https://runthis.run/races/colorado/arvada/5k.md)
- [Westminster, CO (11)](https://runthis.run/races/colorado/westminster/5k.md)
- [Fort Collins, CO (9)](https://runthis.run/races/colorado/fort-collins/5k.md)
- [Pueblo, CO (7)](https://runthis.run/races/colorado/pueblo/5k.md)
- [Thornton, CO (6)](https://runthis.run/races/colorado/thornton/5k.md)
- [Grand Junction, CO (5)](https://runthis.run/races/colorado/grand-junction/5k.md)
- [Boulder, CO (4)](https://runthis.run/races/colorado/boulder/5k.md)
- [Golden, CO (4)](https://runthis.run/races/colorado/golden/5k.md)
- [Greeley, CO (4)](https://runthis.run/races/colorado/greeley/5k.md)
- [Louisville, CO (4)](https://runthis.run/races/colorado/louisville/5k.md)
- [Windsor, CO (4)](https://runthis.run/races/colorado/windsor/5k.md)
- [Aurora, CO (3)](https://runthis.run/races/colorado/aurora/5k.md)
- [Broomfield, CO (3)](https://runthis.run/races/colorado/broomfield/5k.md)
- [Buena Vista, CO (3)](https://runthis.run/races/colorado/buena-vista/5k.md)
- [Loveland, CO (3)](https://runthis.run/races/colorado/loveland/5k.md)
- [Pagosa Springs, CO (3)](https://runthis.run/races/colorado/pagosa-springs/5k.md)
- [Parker, CO (3)](https://runthis.run/races/colorado/parker/5k.md)

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Source: [https://runthis.run/races/colorado/5k](https://runthis.run/races/colorado/5k) — data from Run This (runthis.run).