Half Marathons in Westminster, Colorado 2026 — MyNextRace | My Next Race

There are 6 half marathons in Westminster, Colorado in 2026. The next is the Westy Half & 5k on October 11.

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 5KVIRTUAL 5KVIRTUAL 10K +3

From $20 Open

All-Out Beat the Heat

Sat, Apr 24 · Westminster, CO Westminster

Virtual 5KVIRTUAL 5K5K +9

From $20 Open

All-Out Dog Days

Sat, Jul 10 · Westminster, CO Westminster

Virtual 5KVIRTUAL 5K5K +9

From $20 Open

Pioneer Prairie Dog Half, 10k & 5k

Sun, Aug 22 · Westminster, CO Westminster

Road 5k5k10k +3

From $25 Open

All-Out Fall Fest

Sat, Sep 18 · Westminster, CO Westminster

Virtual VIRTUAL 5K5K5K +9

From $20 Open