All 2020 registrations will be automatically transferred to our May 8^th 2021 event.

Please click here and read a letter to participants.

Registration for 2021 is open

Carbon Valley Half Marathon,
Family & Friends Relay, 5K & Fun Run

To benefit Autism Research

May 8, 2021

To allow for better social distancing, we are delaying the start of the 5K to 9am and the Fun Run to 10am.

We are providing buffs (masks) for every Half Marathon and 5K participant.

2019 RACE RESULTS

Colorado at its Best – the Carbon Valley Half Marathon will showcase the beauty & diversity of Colorado’s best kept secret. Small town charm with Big City services, nestled between Denver & Fort Collins, Firestone & Frederick host these 13.1 mile & 5K adventures. Runners will tread upon Mining Town history via manicured trail systems, dirt paths & rural roads, bridges & tunnels. The Firestone Trail, Frederick’s gorgeous Milevac Lake & Charming Downtown are some highlights. The entire course has spectacular views of the Rockies and a 2 Mile Downhill FAST FINISH. Also offered is a Relay, & FUN RUN!

Participants are asked to donate &/or raise funds for Autism Research individually or as a team. We intend to raise $20,000 benefiting Children’s Hospital Colorado.