Run Boulderthon: The Boulder Marathon | Register Now

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02 HALF MARATHON

03 10K PRESENTED BY CHERIBUNDI

04 HEART TO HEART 5K BY BCH

06 VIP BY LULULEMON

03 RACE WEEK SCHEDULE

04 RACE MONTH EVENTS + FREE COMMUNITY EVENTS

05 GETTING THERE

06 START TIMES, WAVES, & LOCATIONS

07 XCEL POWER-UP CHEER STATIONS

08 COURSE ENTERTAINMENT PRESENTED BY XCEL

09 EVENT PRIZE PURSE - INCLUDING NATION'S LARGEST 5K PRIZE PURSE

10 DOWNTOWN ACCESS MAP / IMPACTS

11 FINAL 40 FINISHERS PRESENTED BY PATAGONIA

12 AFTER PARTY PRESENTED BY MICHELOB ULTRA

16 RUN FOR CHARITY

01 AWARDS + PRIZES

02 RESULTS + PHOTOS

04 LIVE TRACKING

01 THE FEED - OFFICIAL NUTRITION

02 NELL ROJAS - OFFICIAL COACH

03 TRAINING PROGRAM

02 RESTAURANT GUIDE PRESENTED BY UBER EATS

01 SIGN UP TO VOLUNTEER

03 RUNNER EXPERIENCE ADVISORY BOARD

Presale - save up to 30%

Race Date: September 28th, 2025

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©2024 Stronger Faster Boulder Co. Boulderthon® is a registered trademark of Stronger Faster Boulder Co.

Boulderthon is a top-rated, world-class marathon series tucked away in the foothills of the Rockies in 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, CO, 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.

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