We regret to announce our 2020 event has been cancelled.

All 2020 registrations will be automatically transferred to our May 8^th 2021 event. There are no refunds.

Please click here and read a letter to participants.

Our 2020 fundraising campaign is still on!

Click here for details

Registration for 2021 is open

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

To benefit Autism Research

May 8, 2021

8am Cannon Start for the Half Marathon & 5k

9am FUN RUN

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.