Platte River Half-Marathon, Relay & 5k
Sun, Apr 12, 2026, 7:00 AM MDT
- Location
- Littleton, CO
- 6745 S. Santa Fe Dr., 80120
- Type
- RUN
Sign up and verify details on the organizer’s official page.
At a glance
Run alongside the scenic Platte River Trail, then celebrate your achievement with an epic post-race party at Breckenridge Brewery.
- Fun
- Scenic
- Festive
- For a Cause
Fun
Scenic
Festive
For a CauseWho it's for
- Beginner Friendly
Beginner FriendlyGreat for: beginners, cause-driven runners
Less ideal for: pure PR-chasing on a bare course
Join the Platte River Half-Marathon, Relay, or 5k in Littleton, CO, for a memorable day of running. This popular event offers scenic views along the beautiful Platte River Trail. Whether you're aiming for a personal best or tackling your first half-marathon, you'll find a welcoming atmosphere. Celebrate your finish at an epic post-race party at Breckenridge Brewery, complete with food, vendors, live music, and refreshing beer. A portion of proceeds supports Salute Colorado.
What to expect
- Run a half-marathon, relay, or 5k course next to the beautiful Platte River Trail.
- Enjoy an epic post-race party at Breckenridge Brewery with food, vendors, live music, and beer.
- Welcome for experienced runners, newcomers, and relay teams.
Standout details
- Post-race party at Breckenridge Brewery
- Live music and beer at the finish
- Runs along the Platte River Trail
- Supports Salute Colorado
Perks & features
- After-Party
After-PartyFrom the public listing — confirm on the official site.
Auto-drafted from the public listing — confirm details on the official event page before signing up.
Distances & registration
3 optionsRegistration for all distances is through the official signup link above.
- 5K
Sun, Apr 12, 7:15 AM MDT · From $43.40
Opens Nov 30, 2025, 7:00 PM MST · Closes Dec 31, 2025, 6:59 PM MST
- 13.1 Miles
Sun, Apr 12, 7:00 AM MDT · From $75.20
Opens Jun 30, 2025, 8:00 PM MDT · Closes Sep 2, 2025, 7:59 PM MDT
- 13.1 Miles
Sun, Apr 12, 7:00 AM MDT · From $165.30
Opens Jun 30, 2025, 8:00 PM MDT · Closes Sep 2, 2025, 7:59 PM MDT
The course
- Hilly
- Timed race
Vibe Check
Push Potential
Push Potentiallong distance + altitude
half marathon distance, hilly area, high altitude, typically mild weather
- High altitude
Based on typical seasonal and area patterns — not a course map or official forecast.
From the organizer
Welcome to the Platte River Half Marathon, Relay & 5k 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!
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, join us for a day of adrenaline-pumping running, scenic views, and all-around fun. What’s more, we donate a portion of the proceeds to Salute Colorado . Thank you for your support, and we can’t wait to see you at the finish line!
Questions? Visit our race website here .
Entry fees are non-refundable and non-transferable. There are no deferrals to future years.
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