# Marathon Races in Colorado (2026)

> 18 upcoming Marathon races across Colorado.

- **Page:** https://runthis.run/races/colorado/marathon

## 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
- **[Staunton Rocks! Marathon and Half Marathon](https://runthis.run/event/rs-175312-staunton-rocks-marathon-and-half-marathon)** — Fri, Aug 21, 2026 · 7:00 PM CDT · Pine, CO · Marathon
- **[RiseUP Elevation Challenge](https://runthis.run/event/rs-209435-riseup-elevation-challenge)** — Mon, Aug 31, 2026 · 7:00 PM CDT · Colorado Springs, CO · 26.0 mi
- **[Steele Trap Trail Run](https://runthis.run/event/rs-205051-steele-trap-trail-run)** — Fri, Sep 11, 2026 · 7:00 PM CDT · Loma, CO · Marathon
- **[Pikes Peak Marathon](https://runthis.run/event/rs-67238-pikes-peak-marathon)** — Sat, Sep 19, 2026 · 7:00 PM CDT · Manitou Springs, CO · Marathon
- **[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
- **[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
- **[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
- **[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
- **[Durango Marathon](https://runthis.run/event/rs-197219-durango-marathon)** — Sat, Oct 10, 2026 · 7:00 PM CDT · Durango, CO · Marathon
- **[Blue Sky Trail Marathon & Half Marathon](https://runthis.run/event/rs-175360-blue-sky-trail-marathon-half-marathon)** — Fri, Oct 16, 2026 · 7:00 PM CDT · Fort Collins, CO · 26.7 mi / 13.8 mi
- **[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
- **[Alley Loop](https://runthis.run/event/rs-124781-alley-loop)** — Fri, Jan 29, 2027 · 6:00 PM CST · Crested Butte, CO · Marathon / 10K / 5K / 1.9 mi / 1000 m
- **[22nd Annual Run Through Time Trail Marathon and Half Marathon](https://runthis.run/event/rs-115596-22nd-annual-run-through-time-trail-marathon-and-half-maratho)** — Fri, Mar 12, 2027 · 6:00 PM CST · Salida, CO · Marathon / 2.0 mi
- **[The Colorado Marathon](https://runthis.run/event/rs-169856-the-colorado-marathon)** — Sat, May 1, 2027 · 7:00 PM CDT · Fort Collins, CO · Marathon / 10K / 5K
- **[Endure Trail Runs](https://runthis.run/event/rs-98114-endure-trail-runs)** — Fri, May 14, 2027 · 7:00 PM CDT · Divide, CO · 6.8 mi / 14.1 mi / 26.5 mi
- **[Weld Your Mettle Running Festival](https://runthis.run/event/rs-121276-weld-your-mettle-running-festival)** — Fri, Jun 4, 2027 · 7:00 PM CDT · Eaton, CO · 50.0 mi / 62.1 mi / 4.3 mi / 14.0 mi / Marathon / 31.1 mi / 200.0 mi
- **[Race in the Clouds - Alma Dirt Festival 2027](https://runthis.run/event/rs-187048-race-in-the-clouds-alma-dirt-festival-2027)** — Wed, Jun 23, 2027 · 7:00 PM CDT · Alma, CO · 38.0 mi / 26.0 mi / Marathon / 22.0 mi / 10K / 6.1 mi

## Marathon races by city

- [Fort Collins, CO (4)](https://runthis.run/races/colorado/fort-collins/marathon.md)
- [Colorado Springs, CO (3)](https://runthis.run/races/colorado/colorado-springs/marathon.md)

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