Running Races in Frederick, Colorado 2026 | Browse All Races

There are 3 running races in Frederick, Colorado in 2026. The next is the Cerox Championships on October 10.

Sat, Oct 10 · Frederick, CO Frederick

Cerox IndividualCerox Iron IndividualCerox Iron Teams of 2 +3

From $50 Closed

Sun, Oct 11 · Frederick, CO Frederick

Cerox Iron IndividualCerox Iron Teams of 2Cerox Iron X Individual +1

From $50 Closed

Sat, Oct 17 · Frederick, CO Frederick

Half Hyrox Sim IndividualHalf Hyrox Sim (Teams of 2)Full Hyrox Sim (Individual) +5

From $45 Open Closing Soon

Running Races in Frederick, Colorado — 2026