Have an event to List?
Whether a race, special group ride, training opportunity, or cycling-related community event, the 303 calendar showcases it all. To have an event posted here please follow this link: Event Policy Submission & Guidelines.
- This event has passed.
You asked for it, you got it! Introducing ‘The Beast’ long course triathlon, and aquabike to one of Colorado’s already most popular races. Tri Boulder also features an Olympic, Sprint, and Relay so we’ve got a distance to fuel everyone’s competitive spirit. Mark your calendars because this is a race you don’t want to miss!
Event details and registration here