Running
Bolder Boulder 10K
About this race
Wave-start citizens' race capped by an international professional team challenge at Folsom Field.
Before you line up
Race-day planning
Bolder Boulder 10K is held on Monday, May 31, 2027 in Boulder, CO. Racing begins at 06:55 AM. Registration is currently open — use the official registration link above to enter directly with the organizer.
Always confirm the date, start time, entry fee and course details on the official event site before you travel or register, as race information can change after a listing is published. For discipline-specific guidance on what to expect and how to prepare, see the Running sector guide.
Athlete Feedback
Race Reports & Reviews
Athletes who sign in can leave race reports and reviews.
Sign in to leave a review →No race reports yet. Be the first to share.
Finishers
0 finishesNo finishes logged yet. Be the first to claim this finish line.
More to explore
More Running races
We use cookies for analytics and advertising to improve your experience. By clicking “Accept all,” you consent to their use. See our Privacy Policy for details. You may reject non-essential cookies at any time.