Carbon Valley Half Marathon & 5K - 2021

We're sorry we missed you!

  • You can still register before the event on Friday afternoon and Saturday morning:
    • Friday, May 7th at the Carbon Valley Rec. Center, 701 5th St. in Frederick, CO from 2-7:30pm
    • Saturday 6:30am - 8am - Firestone Sports Complex, 6850 Tilbury Ave., Firestone, CO

Hope to see you there!