Running Races in Westminster, Colorado 2026 | Browse All Races | My Next Race

There are 9 running races in Westminster, Colorado in 2026. The next is the All-Out Dog Days on July 11. Distances include 5K races, 10K races.

All-Out Dog Days

Sat, Jul 11 · Westminster, CO Westminster

Virtual 5KVIRTUAL 5KVIRTUAL 10K +3

From $20 Open

Pioneer Prairie Dog Half, 10k & 5k

Sun, Aug 23 · Westminster, CO Westminster

Road 5k10kHalf Marathon

From $25 Open

All-Out Fall Fest

Sat, Sep 19 · Westminster, CO Westminster

Virtual VIRTUAL 5K5K10K +3

From $20 Open

Big Waves Family 5K run/walk Presented by Brumate

Sat, Oct 3 · Westminster, CO Westminster

Road Big Waves Family 5k

From $40 Closed

Westy Half & 5k

Sun, Oct 11 · Westminster, CO Westminster

Road 5kHalf Marathon

From $30 Open Closing Soon

All-Out Fa La La

Sat, Dec 5 · Westminster, CO Westminster

Virtual VIRTUAL 5K5K10K +3

From $20 Open Closing Soon

Candy Cane Course - Denver

Sun, Dec 6 · Westminster, CO Westminster

Virtual 1 Mile5k10k +4

From $22 Open 5 spots left

Erin Go Bragh 7.77k

Sat, Mar 13 · Westminster, CO Westminster

Road 7.77k7.77k

From $33 Open

All-Out Beat the Heat

Sat, Apr 24 · Westminster, CO Westminster

Virtual VIRTUAL 5K5K5K +9

From $20 Open