Autumn Run - Buena Vista, CO

The Autumn Run, held annually on the third weekend of September in Buena Vista, Colorado, is celebrated as the state's premier half marathon. Set in the scenic upper Arkansas River Valley at the base of the Collegiate Peaks, the event offers a stunning course renowned for its natural beauty. Participants can choose from a half marathon, 10K, 5K, and a free Family Fun Run around McPhelemy Park's Town Lake.

The event is stroller-friendly and features shuttle services to manage parking and start line congestion. Post-race festivities at McPhelemy Park include live music, a beer garden, and food trucks, creating a vibrant community atmosphere. All runners receive commemorative awards and race shirts. Visit the organization's website for the most recent information.