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: 6850 Tilbury Avenue, Firestone, CO 80504
- Race Date: 2026/05/09 07:00:00 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!!!
Diane P.
Although I liked that the course was different this year, there were some spots where the sidewalk was uneven, rough and narrow which made it a little difficult especially in larger groups. Also wasn't too crazy about the hills being at the end.
has attended 3 times
I was very disappointed in your volunteer that was on a bike. She was harassing me and my daughter. Not only did she do it once but she came by us twice. We had our headphones on and she harassed us about having our headphones on. She continued to tell us that we needed to take them off and "connect" with each other and with nature and that we needed to "talk" to each other. I didn't see her harassing anyone else. I tried kindly to tell her to leave us alone but she was not understanding.
has attended 0 times
Very enjoyable course and for a great cause! First time doing the Carbon Valley Half and I would definitely do it again. Personally, I would be in favor of an earlier start (6 or 6:30am) and would love to see the course modified slightly as that final segment running PAST Centennial Park in mile 12 (going down to Hwy 52 and back) was a mental grind. Overall though, I enjoyed it and would recommend to others!
has attended 1 times
Love this race!
has attended 4 times
This was a great event for a great cause. It was nice to see an increase in runners, especially some top quality athletes! The registration and packet pick-up was easy & convienient. The course was well marked with lots of volunteers to help point the way and encourge the runners. The medals and t-shirts were great. As a suggestion, maybe try to get a sports cream brand to sponsor or donate some product. It would be helpful at the aid stations especially later in the race.
has attended 1 times
Done it every year, different variations of the course, always improving. Nice shirts and medals.
has attended 5+ times
Great experience! Well organized by wonderful people.
has attended 5+ times
Great organization, like the course much better this year.
has attended 2 times
I loved the new course and venue. I wish that there was an option for a swag free race. I would gladly pay the same registration fee. Additionally, I wish the 5k awards were closer to the 5k finish time.
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