Carbon Valley Half Marathon & 5K
Carbon Valley Half Marathon & 5K Race Description
Colorado at its Best - the Carbon Valley Half Marathon will showcase the beauty & diversity of Colorado's best-kept secret nestled right between Denver & Fort Collins. Small town charm with Big City services, Firestone & Frederick are the perfect host for these 13.1 & 5K adventures. From Start to Finish, runners will tread upon Mining Town history via manicured trail systems, dirt paths, bridges & rural roads. Firestone's Central Park & the Firestone Trail are featured as well as Frederick's gorgeous Milevac Lake & Charming Downtown. The entire course has spectacular views of the Rockies and has a 2 mile downhill fast finish! The 13.1 route is a certified course.
Every Half Marathon & 5K participant that registered 7 days prior to event get a Tech t-shirt, medal & goodie bag. Participants receive a short-sleeved cotton t-shirt, Finishers Medal. The first 500 Half/5K get goodie-bags! Fun Runners get a cotton T-shirt. A limited quantity of t-shirts may be available for purchase at the event.
Participants are asked to raise funds for Autism Research individually or as a team. Our goal is to raise $25,000 for the Autism Treatment Network thru Children's Hospital Colorado. We ask that each participant raise a minimum of $25 to donate to the cause.
There are NO refunds.




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Carbon Valley Half Marathon & 5K Where & When
- Location: Firestone, CO 80504
- Race Date: 2025/05/10 08:00:00 AM (Saturday)
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Categories:
- Half Marathon
- Running-5K - Individual Age group/open
- 1 Mile Fun Run - Children under 13
- 1 Mile Fun Run - Senior Citizens 65-Older
- 1 Mile Fun Run - Individual Age group/open
- Virtual Half Marathon
- Virtual 5K
I love this race & what it is there to support. I am really unhappy that they decided this year to do away with age brackets. that was one of the reasons that I first did this race. I am 65 & without age brackets, I really don't have a chance. I hope they bring them back for next year!!!

Loved the trail, scenery and everything else about this run. Smaller run then most but loved having not to bump elbows with others

This is an incredibly well run Colorado Event. Also, a course which offers great mountain views and quality mixed surfaces for its Athletes. Highly recommended as one of the best.
My husband and I have still not received our medals. Would love to know if we will get them. Loved the race and the people. Just disappointed we did not get out medals.

I have been either a participant or have "coached" runners for this run for years now. Every year it's a hit! The course is well-marked. The pre and post food is great. And the beer garden - so awesome!!!
I enjoy this race, because one, it’s for a good cause. It’s close to home and convenient. The views of the front range are lovely! The race directors put on a great race and a lot of energy. Lots of goodies at the bib pickup. I will be doing again!

Thank you for a fun and memorable race day. :)

Wonderful course mostly on a nice rolling bike path, lots of volunteers. I will plan to run it again.

I ran this race for 17 years and I still love it every year their been one time that the weather was bad but the race made sure to make it fun not boring but what makes it funnier this year that it was very difficult and the corse marshals are super supportive of you guys running by and that how I loved running this fun race

I am their loyal Ambassador. I ran it before serving as such. It has always been a favorite. Vintage Firestone, Colorado. Which includes great views of Longs Pk.