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.

Rock Hawk Trail Races

Rock Hawk Trail Races

Castle Rock, CO • Sat, Aug 29, 2026

10K
TBK Bank Thirsty 13 Half Marathon

TBK Bank Thirsty 13 Half Marathon

Durango, CO • Sat, Aug 29, 2026

Half Marathon
Rock Hawk Trail Races

Rock Hawk Trail Races

Castle Rock, CO • Sat, Aug 29, 2026

5K
Rock Hawk Trail Races

Rock Hawk Trail Races

Castle Rock, CO • Sat, Aug 29, 2026

50K
Rock Hawk Trail Races

Rock Hawk Trail Races

Castle Rock, CO • Sat, Aug 29, 2026

25K
Labor Day Half Marathon

Labor Day Half Marathon

Parker, CO • Mon, Sep 7, 2026

Half Marathon
Labor Day Half Marathon

Labor Day Half Marathon

Parker, CO • Mon, Sep 7, 2026

10K
Labor Day Half Marathon

Labor Day Half Marathon

Parker, CO • Mon, Sep 7, 2026

5K
Snow Mountain Ranch Trail Running Festival

Snow Mountain Ranch Trail Running Festival

Granby, CO • Sat, Sep 12, 2026

10K
Snow Mountain Ranch Trail Running Festival

Snow Mountain Ranch Trail Running Festival

Granby, CO • Sat, Sep 12, 2026

5K
Snow Mountain Ranch Trail Running Festival

Snow Mountain Ranch Trail Running Festival

Granby, CO • Sat, Sep 12, 2026

50K
Snow Mountain Ranch Trail Running Festival

Snow Mountain Ranch Trail Running Festival

Granby, CO • Sat, Sep 12, 2026

33K
Snow Mountain Ranch Trail Running Festival

Snow Mountain Ranch Trail Running Festival

Granby, CO • Sat, Sep 12, 2026

Half Marathon
Run Rabbit Run

Run Rabbit Run

Steamboat Springs, CO • Fri, Sep 18, 2026

Ultra 100 Mile
Pikes Peak Marathon + Ascent

Pikes Peak Marathon + Ascent

Manitou Springs, CO • Sat, Sep 19, 2026

Ascent
Run Rabbit Run

Run Rabbit Run

Steamboat Springs, CO • Sat, Sep 19, 2026

50 Mile Trail
Pikes Peak Marathon + Ascent

Pikes Peak Marathon + Ascent

Manitou Springs, CO • Sun, Sep 20, 2026

Marathon
The Bear Chase

The Bear Chase

Lakewood, CO • Sat, Oct 3, 2026

Ultra 100K
The Bear Chase

The Bear Chase

Lakewood, CO • Sat, Oct 3, 2026

50K
The Bear Chase

The Bear Chase

Lakewood, CO • Sat, Oct 3, 2026

50 Mile Trail
The Bear Chase

The Bear Chase

Lakewood, CO • Sun, Oct 4, 2026

Half Marathon
The Bear Chase

The Bear Chase

Lakewood, CO • Sun, Oct 4, 2026

10K
The Bear Chase

The Bear Chase

Lakewood, CO • Sun, Oct 4, 2026

5K
Bobcat Trail Races

Bobcat Trail Races

Colorado Springs, CO • Sat, Oct 17, 2026

25K
Bobcat Trail Races

Bobcat Trail Races

Colorado Springs, CO • Sat, Oct 17, 2026

10K
Bobcat Trail Races

Bobcat Trail Races

Colorado Springs, CO • Sat, Oct 17, 2026

50K
Bobcat Trail Races

Bobcat Trail Races

Colorado Springs, CO • Sat, Oct 17, 2026

5K
Louisville Trail Race

Louisville Trail Race

Louisville, CO • Sat, Nov 14, 2026

Half Marathon
Louisville Trail Race

Louisville Trail Race

Louisville, CO • Sat, Nov 14, 2026

10K
Louisville Trail Race

Louisville Trail Race

Louisville, CO • Sat, Nov 14, 2026

5K
Hardrock 100

Hardrock 100

Silverton, CO • Fri, Jul 9, 2027

Ultra 100 Mile
Leadville Trail 100 Run

Leadville Trail 100 Run

Leadville, CO • Sat, Aug 21, 2027

Ultra 100 Mile

Keep exploring

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