Platte River Half-Marathon

Platte River Half Marathon & Relay is a longtime Denver-area race held in Littleton, Colorado, along the Platte River Trail. It offers a Half Marathon (13.1 miles) and a three-person Relay for individuals and teams. The scenic out-and-back course passes through Littleton, Englewood, Sheridan, and Denver with about 300 feet of total ascent.

Start and finish are next to Reynolds Landing near Breckenridge Brewery. The post-race party features live music, food trucks, and craft beer. The event donates to the Leukemia & Lymphoma Society and serves as the RRCA Colorado State Half Marathon Championship; swag includes a tech-T, medal, and cup. Visit the organization's website for the most recent information.