Registration closes at midnight two days before the event.  You may register in person at packet pickup location on Friday and on race day.  Please bring cash, check, or credit card.

Carbon Valley Half Marathon

May 10, 2025

Colorado at its Best – the Carbon Valley Half Marathon showcases 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 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 and/or raise funds for Autism Research individually or as a team.

Register for 2024

2023 Race Results

Volunteer

Presenting Sponsor:
 
Hero Sponsors:
 
 
 
 
 
Champion Sponsors:
 
 
 
 
Sponsor:
 
Water Sponsor:
 
 
Hospitality donations:
McDonald’s of Firestone
King Soopers #105 Firestone
Daylight Donuts of Dacono
Honey Stinger
Johnny’s Italian Steak house
Hilton Garden Inn
Candlewood Suites