Autumn Run - Buena Vista, CO

The Autumn Run, held annually on the third weekend of September in Buena Vista, Colorado, is celebrated as Colorado'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 through this historic and picturesque town. Participants can choose from a half marathon, 10K, 5K, and a free Family Fun Run around McPhelemy Park's Town Lake.

The race is stroller-friendly and emphasizes sustainability with cupless racing. Post-race festivities at McPhelemy Park include live music, a beer garden, and food trucks, creating a vibrant and welcoming atmosphere for runners and supporters alike. Visit the organization's website for the most recent information.