Test your speed against Colorado’s scenic beauty this September!

The Chatfield Time Trial Series on September 4, 2025, is a competitive cycling event at Chatfield State Park, Colorado, where riders race individually against the clock over an 11.2-mile course. This event is part of a three-week series, providing multiple opportunities to challenge yourself, connect with the cycling community, and compete on a professionally organized course with scenic views of the reservoir and mountains.

The race features a single 11.2-mile loop around Chatfield Reservoir with smooth, wide-shouldered roads and a mix of flat and rolling terrain.

• Scenic route with views of Chatfield Reservoir and the Rocky Mountains
• Three-week series format (September 4, 11, 18) for multiple opportunities
• Professionally organized with categories for all skill levels
• Supported by Bicycle Colorado and Physio Racing