Congratulations, Boulderthon Finishers! Race Results & Photos are here.
HOMETHE RACERESULTS & PHOTOSABOUT USCOMMUNITY IMPACTSCHALLENGESVOLUNTEERPARTNERREGISTER

THE SIGNATURE BOULDER MARATHON

WITH A DOWNTOWN FINISH

10.9.22

REGISTER FOR 20222021 RESULTS & PHOTOS
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BOULDERTHON®
A STRONGER FASTER BOULDER CO. PRODUCTION
1420 PEARL ST.
BOULDER, CO 80302

© 2021 Stronger Faster Boulder Co.

Boulderthon is a Boston Marathon Qualifying (BQ), USATF Sanctioned Event, measured by a Level A USATF Course Measurer, representing the highest level of certification for a marathon race series.

Based in Boulder, Colorado, Stronger Faster Boulder Co. is a Colorado non-profit organization and federally-recognized as a 501(c)(3) tax-exempt foundation, EIN # 84-2863972. Donations and contributions are tax-deductible as allowed by law.