Trail Sisters Women's Half Marathon

Trail Sisters Women's Half Marathon & 10k takes place in Buena Vista, Colorado, tucked in the Rocky Mountains along the Arkansas River. The events include a 13.1-mile trail half marathon and a 10k. The courses wind through sagebrush and ponderosa pines, rewarding runners with views of the Collegiate Peaks.

The atmosphere emphasizes a women-focused trail-running experience, celebrating endurance, nature, and community. Hosted by Trail Sisters, the race showcases high-altitude Colorado terrain on welcoming, well-marked trails. Spectators and volunteers create a supportive atmosphere, and the race is part of a Trail Sisters series celebrating women in trail running. Visit the organization's website for the most recent information.