Sunrise-to-Sunset 12 Hour Mountain Bike Race

SUNRISE TO SUNSET It began as a 24-hour race back in the day. Since then, the decision was made that 12 hours is plenty! STS is designed to offer recreational and competitive cyclists the opportunity ...

Sunrise-to-Sunset 12 Hour Mountain Bike Race

1375 W Plum Creek Pkwy, Castle Rock, CO

2026-05-30 - 2026-05-30

SUNRISE TO SUNSET It began as a 24-hour race back in the day. Since then, the decision was made that 12 hours is plenty! STS is designed to offer recreational and competitive cyclists the opportunity ...

Tags: Mountain Bike, Colorado Bicycle Racing Association (CBRA)

1 going