Registration for Boulderthon 2023 is now open! After nearly tripling in size and selling out last year, Boulderthon has instituted a new 5,000 runner cap and is expected to sell out again this year. Register today.
Boulderthon logo
HOMEFAQRESULTS & PHOTOSABOUT USCOMMUNITY IMPACTSCHALLENGESSTREAKERSVOLUNTEERPARTNERREGISTER
female participant running in Boulderthon

ELITE PROGRAM

Boulderthon® has established an athlete elite program to bring world-class athletes in from our own backyard, to runners from all over the globe with special incentives. If you are male with a Marathon PR of 2:40 (Half: 1:10 PR) or female with a Marathon PR of 3:15 (Half: 1:25 PR), please contact us at hi@boulderthon.org for more information, and include a link to your PR.

BOULDERTHON®
A STRONGER FASTER BOULDER CO. PRODUCTION

CONTACT US
© 2023 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.