Sports
Boulderthon Half Marathon
Half marathon event as part of the Boulderthon race series. Participants start downtown and run through Boulder's scenic foothills before finishing on Pearl Street Mall, offering strong vendor opportunities.
- When
- Sep 27, 2026
- Where
- Boulder, CO
- Est. attendance
- 3000
- Organizer
- Boulderthon
About this event
Half marathon event as part of the Boulderthon race series. Participants start downtown and run through Boulder's scenic foothills before finishing on Pearl Street Mall, offering strong vendor opportunities.
View original listing on boulderthon.org →Track record & vendor details
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