10K Races in Colorado 2026 | Upcoming Races & Dates

There are 9 10K races in Colorado scheduled for 2026. The next is the Luck of the Irish 7k in Steamboat Springs on March 14. Colorado 10K races run primarily March through August.

Erin Go Bragh 7.77k

Sat, Mar 14 · Westminster, CO Westminster

7.77k

From $33 Open Closing Soon

Luck of the Irish 7k

Sat, Mar 14 · Steamboat Springs, CO Steamboat Springs

From $30 Open Closing Soon

Cryogenic Cannibal Chase

Sat, Mar 28 · Estes Park, CO Estes Park

From $55 Open Closing Soon

RMRR Spring Marathon Training Series #1

Sun, Mar 29 · Thornton, CO Thornton

10 MileTwo-Race Bundle Short - 10mi20mi +1

From $20 Open

RMRR Spring Marathon Training Series #2

Sat, Apr 11 · Thornton, CO Thornton

MTS#2 - 10 MileMTS#2 - 20 Mile

From $20 Open

The Steamboat Marathon

Sun, Jun 7 · Steamboat Springs, CO Steamboat Springs

10KHalf MarathonMarathon

From $70 Open

Hahns Peak Vertical Trail Race

Sun, Jul 5 · Clark, CO Clark

8 Mile

From $40 Open

Grin & Bear It

Sat, Jul 11 · Crested Butte, CO Crested Butte

15 km Out and BackMountain Bike25 km Loop

From $75 Open 75 spots left

Eat. Run. Adopt. 10K

Sat, Aug 8 · Berthoud, CO Berthoud

10KCHILD CARE

From $5 Open

10K Races in Colorado — 2026

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