Run ThisRun This
    Create Your RaceFind EventsContact
    Create
    1. Run This/
    2. Races/
    3. Colorado/
    4. Denver/
    5. 5K

    Race calendar

    5K Races in Denver, CO

    37 upcoming 5K races in Denver. Run This events are listed first.

    Sort
    Search all races
    DistanceAll5K10KHalf MarathonMarathon
    Nearby citiesColorado SpringsCentennialFort CollinsArvadaLittletonAuroraWestminsterPuebloBoulderGrand JunctionDurangoWindsor

    37 races

    Sun, Dec 6, 2026

    RunDenver Series 2026-27

    Denver, CO

    Outside5K10KMarathon

    Sun, Dec 6, 2026

    Rudolph Ramble 5K Run/Walk

    Denver, CO

    Outside5K

    Sat, Oct 3, 2026

    Rainbow Trail Lutheran Camp's 20th Annual Grace Race 5k

    Denver, CO

    Outside5K

    Sun, Oct 4, 2026

    Liberty Energy 5K - Benefiting the Bettering Human Lives Foundation

    Denver, CO

    Outside5K1000 m

    Own a race in Denver?

    List it on Run This and it shows up right here, where runners are already looking. Run This is any race director's best friend and the most modern platform for your registration. Already listed? Claim it.

    List your race

    Sat, Oct 17, 2026

    Living Water 5K and Family Fun Walk/Jog

    Denver, CO

    Outside5K1 mile

    Wed, Oct 21, 2026

    DU Crimson Classic 5K Run/1.5 Mile Walk

    Denver, CO

    Outside5K1.5 mi

    Sat, Oct 24, 2026

    Race to Cure Sarcoma Denver

    Denver, CO

    Outside5K1000 m

    Sat, Oct 24, 2026

    Zedikiah Scholarship 5K

    Denver, CO

    Outside5K

    Sun, Oct 25, 2026

    Ghosts and Goblins 5K/10K

    Denver, CO

    Outside5K10K

    Sun, Oct 25, 2026

    The 14th Annual Odyssey Odyssey - 2026

    Denver, CO

    Outside5K1 mile

    Sun, Nov 1, 2026

    RMRR November 5k/15k

    Denver, CO

    Outside9.3 mi5K

    Sun, Nov 1, 2026

    Feet for Justice Run

    Denver, CO

    Outside10K5K

    Sat, Nov 7, 2026

    City Park Classic (5k/10k & 1 Mile Walk of Hope for Pancreatic Cancer Research)

    Denver, CO

    Outside5K10K1 mile

    Sat, Nov 14, 2026

    Denver Veterans Day Run

    Denver, CO

    Outside5K10K

    Sun, Nov 15, 2026

    Girls on the Run Denver Metro 5K

    Denver, CO

    Outside5K

    Sat, Nov 21, 2026

    Pumpkin Pie 5K/10K

    Denver, CO

    Outside5K10K

    Thu, Nov 26, 2026

    Harvesting Hope 5k

    Denver, CO

    Outside5K

    Sun, Dec 13, 2026

    2026 Jingle Bell Run - Colorado

    Denver, CO

    Outside5K1 mile100 m

    Sat, Dec 19, 2026

    Santa's Dash for Ca$h

    Denver, CO

    Outside5K

    Sun, Dec 20, 2026

    Ugly Sweater 5K

    Denver, CO

    Outside5K

    Sun, Jan 24, 2027

    Freakin Freezin 5K - Denver

    Denver, CO

    Outside5K

    Sat, Jan 30, 2027

    Time Travel Half-Marathon/5K/10K - Denver

    Denver, CO

    Outside100 m1 mile5K10K

    Sat, Mar 6, 2027

    Time to Paddy 5K/10K & Lucky 13.1 13.1 - Denver

    Denver, CO

    Outside1 mile5K10KMarathon

    Sun, Mar 28, 2027

    Central Park 5k

    Denver, CO

    Outside5K

    Sun, Apr 4, 2027

    Donut Dash

    Denver, CO

    Outside5K

    Sun, Apr 25, 2027

    DoNot Stop Half Marathon/5K/10K - Denver

    Denver, CO

    Outside50 m1 mile5K10K

    Sun, Apr 25, 2027

    Unicorn 5k (Denver-East)

    Denver, CO

    Outside5K

    Sun, May 9, 2027

    Hometown Half Marathon/5K/10K - Denver

    Denver, CO

    Outside50 m1 mile5K10K

    Sun, May 9, 2027

    Denver Mother's Day 5K

    Denver, CO

    Outside5K

    Sun, Jun 6, 2027

    Flamingo Day 5K

    Denver, CO

    Outside5K

    Sat, Jun 19, 2027

    Treat Trot - Denver

    Denver, CO

    Outside1 mile5K10K9.3 mi

    Sat, Jul 10, 2027

    Cookie Chase

    Denver, CO

    Outside5K

    Sat, Jul 17, 2027

    Heatwave Half Marathon/5K/10K - Denver

    Denver, CO

    Outside50 m1 mile5K10K

    Sat, Aug 7, 2027

    Summer Sizzler- Denver

    Denver, CO

    Outside50 m1 mile5K10K

    Sat, Aug 21, 2027

    Ram Run 5K

    Denver, CO

    Outside5K1 mile

    Sat, Sep 11, 2027

    Golden Harvest Half Marathon & 5K/10K - Denver

    Denver, CO

    Outside50 m1 mile5K10K

    Sat, Sep 11, 2027

    The Denver 5k

    Denver, CO

    Outside5K

    Don't lose this one.

    Save any Denver, CO race to your calendar and we'll remind you when it matters.

    Create your free account

    Your whole running year, in one place.

    Follow your friends, save Denver, CO races, and keep every start line in one calendar.

    Create your free account

    Other cities in Colorado

    Colorado Springs35Centennial32Fort Collins19Arvada16Littleton13Aurora10Westminster10Pueblo8Boulder7Grand Junction7Durango
    6
    Windsor6
    Estes Park5
    Loveland5
    Thornton5
    Buena Vista4
    Golden4
    Longmont4
    Louisville4
    Aspen3
    Broomfield3
    Crested Butte3
    Fruita3
    Parker3
    Salida3
    Steamboat Springs3
    Alamosa2
    Alma2
    Bayfield2