Half Marathons in Westminster, Colorado 2026 — MyNextRace

There are 5 half marathons in Westminster, Colorado in 2026. The next is the All-Out Fall Fest on September 19.

Sat, Sep 19 · Westminster, CO Westminster

Virtual VIRTUAL 5K5KVIRTUAL 10K +3

From $20 Open Closing Soon

Sun, Oct 11 · Westminster, CO Westminster

Road 5kHalf Marathon

From $30 Open

Sat, Dec 5 · Westminster, CO Westminster

Virtual 5KVIRTUAL 5K10K +3

From $20 Open Closing Soon

Sat, Apr 24 · Westminster, CO Westminster

Virtual 5KVIRTUAL 5KVIRTUAL 5K +9

From $20 Open

Sat, Jul 10 · Westminster, CO Westminster

Virtual VIRTUAL 5KVIRTUAL 5K5K +9

From $20 Open

Half Marathons in Westminster, Colorado