Fall Equinox 2026

The race.

The Fall Equinox race takes place in Fort Collins, Colorado on September 20, 2026. Best Colorado Races organizes both in-person and virtual events across multiple distances: a 13.1-mile half marathon, a 5-mile race, a full marathon, and virtual options for all three distances. The half marathon starts at Mishawaka Amphitheater and follows a downhill point-to-point course along the Cache la Poudre River, concluding at a finish festival with music and refreshments.