Boulderthon - Inaugural Downtown Boulder Marathon & Half Marathon

Join us on 10/11/2025

(race date estimated)

Boulderthon - Inaugural Downtown Boulder Marathon & Half Marathon Race Description

Run A Marathon (Or Half) in the Happiest City in the U.S. | Boulder's First & Only Downtown Marathon | Finish on Pearl St | Post-Race Party on the Bricks | Columbus Day Weekend

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Boulderthon - Inaugural Downtown Boulder Marathon & Half Marathon Where & When

Location: Boulder, CO 80302
Race Date: 2020/10/11 08:00:00 AM (Sunday)
Categories:
- Marathon
- Half Marathon

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Boulder, CO Weather

Boulderthon - Inaugural Downtown Boulder Marathon & Half Marathon weather history

Based on a 5 year average and a race date of October 11th, Boulder, CO can expect temperatures between 56℉ and 78℉ with humidity around 73% and precipitation of 0".
Last year the weather condition was Partly cloudy.

Boulder, CO current weather

35.7℉ Clear

Join us at the Boulderthon - Inaugural Downtown Boulder Marathon & Half Marathon in October for a great race. The Boulderthon - Inaugural Downtown Boulder Marathon & Half Marathon works hard to deliver you a memorable race experience. We would love to hear from you, so consider writing us a review.

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