Autumn Run - Buena Vista, CO

SEP
18
2027
Autumn Run in Buena Vista, Colorado features a half marathon, 10K, 5K and family fun run with shuttle support, cupless fueling, and finish area music and food.
Sat 18 Sep 2027
13 miles 10 kilometers 5 kilometers

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About the race

Autumn Run takes place each year on the third weekend in September in and around Buena Vista, Colorado. The event is organized around McPhelemy Park and includes multiple distances that use town streets, gravel roads, and nearby trail areas.

Distances

  • Half Marathon starting near Cottonwood Lake Campground and finishing at McPhelemy Park.
  • 10K route that includes a stretch through The Meadows private property.
  • 5K route that includes a stretch through The Meadows private property.
  • Family Fun Run around McPhelemy Park Town Lake on the Story Walk Trail, no registration required.

The half marathon begins west of town near Cottonwood Lake Campground and follows gravel roads past Cottonwood Lake, then uses county roads including CR 344, CR 306 (West Main Street), and CR 340 before returning to McPhelemy Park. Shuttle buses transport half marathon runners from McPhelemy Park to the start. There are three fuel stations along the half marathon course offering water, GU Roctane Hydration, and sweet and salty snacks; basic first aid kits are available at each station. The race practices cupless fueling and provides a Hydrapak collapsible speed cup as part of participant swag. Drop bags can be taken on the shuttle and retrieved at the finish.

Animals are not allowed on the course; dogs may be at the start and finish if leashed and kept at least 20 feet away. A portion of proceeds supports named beneficiaries, and finish area activities have included live music, beverages, and food trucks. Visit the organization's website for the most recent information.

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