BOLDERBoulder 10K

MAY
25
2026
Join 50,000 participants for a 10k run through Boulder finishing at Folsom Field. This Memorial Day tradition includes a professional race finish and a tribute ceremony at the University of Colorado stadium.
Mon 25 May 2026
10 kilometers

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BOLDERBoulder 10K Event Details

The BOLDERBoulder is an annual running event held on Memorial Day in Boulder, Colorado. The event attracts approximately 50,000 participants and features a primary course distance of 10 km. Participants have the option to join the event in person or take part virtually from any location globally.

The in-person course travels through the streets of Boulder and concludes at the University of Colorado's Folsom Field. For those attending the physical event, several registration tiers are available, including the standard individual entry and the BOLDER Business Challenge.

  • 10 km (In person)
  • 10 km (Virtual)

All registered participants receive an official race shirt, a race bib with a timing chip, and a snack bag with a drink. Those aged 21 and over are also provided with a beer sample. Registration also includes entry to the RaceDay Expo, stadium entry for the professional race finish, and access to the Memorial Day Tribute held at noon inside the stadium.

Access to the start line at 30th St & Walnut St is supported by various transportation options. These include runner drop-off points, public parking, ADA accessible parking, and dedicated bike parking areas. Spectators may view the race along the city streets or from Folsom Field, subject to the local clear bag policy. Visit the organization's website for the most recent information.

10 km
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