Platte River Half-Marathon and Relay

🏃‍♂️ About the Race

Welcome to the Platte River Half Marathon & Relay race, one of the most exciting and popular races in the Denver Metro Area! This race is held annually in Littleton, CO. We’re thrilled to announce that registration for our upcoming 2026 event on Sunday, April 12th is open for the half-marathon and relay race. The race starts and finishes next to the beautiful Platte River Trail and adjacent to the popular Breckenridge Brewery campus.

Join us for an epic post-race party at the Brewery with food, vendors, live music, and of course beer!

🎉 Join Us!

• Experience: Whether you’re an experienced runner looking to set a new PR, a newcomer looking to tackle your first half-marathon, or a team of runners wanting to run an exciting relay race.
• Fun: Join us for a day of adrenaline-pumping running, scenic views, and all-around fun.
• Charity: We donate a portion of the proceeds to the Leukemia & Lymphoma Society.
• Support: Thank you for your support, and we can’t wait to see you at the finish line!

❓ Questions?

Visit our race website here.

💵 Entry Information

Entry fees are non-refundable and non-transferable. There are no deferrals to future years.

📍 Event Location

The race takes place at 6745 S. Santa Fe Dr., Littleton, CO.

🔗 Race Details

For more information, check out the race page here.