Byers Peak Stampede Half Marathon & 5K Run

Leave the pavement behind and hit 100% unpaved roads and trails in the breathtaking Rocky Mountains—just an hour from Denver. Whether you’re tackling the Half Marathon or joining in on the 5K, you’ll enjoy challenging terrain, fresh mountain air, and jaw-dropping views at every turn. All abilities are welcome, from first-time racers to seasoned trail runners.

This is a race for the whole family! Bring your kids, friends, and even your four-legged companions—dogs are welcome on leash, so no one has to sit this one out. With trails designed for fun and adventure, everyone can find their pace!

Run for Something Bigger

All proceeds from the Byers Peak Stampede directly benefit the Shining Stars Foundation. Annually, the Shining Stars Foundation offers over 65 transformative experiences. These programs are provided at absolutely no cost to the children and families we serve. As one of the few nonprofits nationally offering long-term, year-round services for children and families at any stage of their cancer journey—including treatment, relapse, or remission—the Shining Stars Foundation is making a life-changing impact. Join us in creating these incredible opportunities by participating in the Byers Peak Stampede. Learn more about the difference you’re making at www.ShiningStarsFoundation.org.

This event meets the criteria set by the American Trail Running Association (ATRA) to ensure trail running events are safe, well-organized, and environmentally conscious.

Half Marathon

Half Marathon Course: Click here to view course map. The course takes place almost entirely on dirt roads and trails. The course begins at approximately 8,700 ft. and traveling above 9,500 ft. Aid stations will be on course complete with water, sports drink, and fruit. This race has a time limit - racers must be to mile 9 by 10:30AM.  8AM Start.

Half Marathon Pricing: 

• $65/runner before January 1
• $70/runner before April 1
• $80/runner before July 1
• $85/runner up to race day

5K

5K Course: Click here to view the race course. The course will take place on dirt roads near the High Country Stampede Rodeo grounds. An aid station will be available at the finish line. 9AM Start.

5K Pricing: 

• $45/runner before January 1
• $50/runner before April 1
• $60/runner before July 1
• $65/runner up to race day

Hey, Grand County residents! Enjoy a local's discount of 10% off your registration. Enter code GCResident at checkout. Please note that you must provide proof of residency at check-in.

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Packet Pick-Up & Pre-Party

Friday, August 21 | Vicious Cycle Brewing | Fraser, CO | 

Kick off race weekend with us at Vicious Cycle Brewing! Pick up your bib & connect with fellow runners!