Upcoming Races in Colorado

Find upcoming running races in Colorado — marathons, half marathons, 10Ks and more. Compare dates, distances, course profiles, and past results on MyRace.

The Bear Chase

Lakewood, CO • Sat, Oct 3, 2026

50 Mile Trail

The Bear Chase

Lakewood, CO • Sat, Oct 3, 2026

Ultra 100K

The Bear Chase

Lakewood, CO • Sat, Oct 3, 2026

50K

The Bear Chase

Lakewood, CO • Sun, Oct 4, 2026

10K

The Bear Chase

Lakewood, CO • Sun, Oct 4, 2026

The Bear Chase

Lakewood, CO • Sun, Oct 4, 2026

Half Marathon

Bobcat Trail Races

Colorado Springs, CO • Sat, Oct 17, 2026

50K

Bobcat Trail Races

Colorado Springs, CO • Sat, Oct 17, 2026

Bobcat Trail Races

Colorado Springs, CO • Sat, Oct 17, 2026

10K

Bobcat Trail Races

Colorado Springs, CO • Sat, Oct 17, 2026

25K

Louisville Trail Race

Louisville, CO • Sat, Nov 14, 2026

10K

Louisville Trail Race

Louisville, CO • Sat, Nov 14, 2026

Louisville Trail Race

Louisville, CO • Sat, Nov 14, 2026

Half Marathon

Hardrock 100

Silverton, CO • Fri, Jul 9, 2027

Ultra 100 Mile

Leadville Trail 100 Run

Leadville, CO • Sat, Aug 21, 2027

Ultra 100 Mile

Keep exploring

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