Run Boulderthon: The Boulder Marathon
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Event Overview
Run Boulderthon is a comprehensive running event based in Boulder, Colorado. Tucked away in the foothills of the Rocky Mountains, the series is recognized as a USATF Sanctioned Event and a Boston Marathon Qualifier. The courses are measured by a Level A USATF Course Measurer. In 2024, the event attracted over 15,000 participants from across the United States and 18 different countries.
The event features a variety of distances to accommodate different participation levels:
- Marathon
- Half Marathon
- 10K
- 5K
- Kids Run
Course and Experience
The routes are designed to showcase the natural scenery of the region, starting at locations such as the Boulder Reservoir and running along the foothills of the Flatirons. The races conclude with an outdoor finish at the historic Pearl Street Mall in downtown Boulder. The half marathon course is noted for having a downhill finish.
Participants have access to various race day amenities including gear check, multiple aid stations, and pace groups. The event also includes an expo, course entertainment, and an after-party. For those traveling to the event, local options include a range of hotels and a restaurant guide. The organization is a non-profit entity and operates with the support of numerous volunteers. Visit the organization's website for the most recent information.
