Inaugural Boulderthon is confirmed for October 10th, 2021. Register now.
HOMERACE WEEKENDBE THE FIRSTABOUT USCOMMUNITY IMPACTSCHALLENGESVOLUNTEERPARTNERBLOGREGISTER

NEARING CAPACITY - LESS THAN 250 SPOTS REMAIN!

FIRST-EVER BOULDER MARATHON

& HALF MARATHON WITH A DOWNTOWN FINISH

10.10.21

REGISTER NOW
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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.