BOLDERBoulder 10K
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BOLDERBoulder 10K, Boulder CO
BOLDERBoulder 10K is scheduled for Memorial Day, May 25, 2026, in Boulder, Colorado. The course runs through Boulder neighborhoods and downtown, climbs to more than a mile above sea level, and finishes inside Folsom Field at the University of Colorado where the Pro Race finish and a Memorial Day Tribute take place.
The event uses wave starts, a format first introduced by this event in 1983, to space runners and walkers by pace. The day includes on course entertainment such as music, dancers, waterslides, hula performers, and a skydiver flyover. The Memorial Day Tribute is described as one of the largest in the United States and honors those who have given their lives in military service.
Registration packages include an official shirt (several package choices), an official race bib and timing chip, a snack bag and drink with a beer sample option for participants 21 and older, a two week trial of the Runna training app, stadium entry for the Pro Race finish and Tribute, and RaceDay Expo entry. Package prices shown include a Short Sleeve Package at $69 for adults and a BOLDER Package at $99 for adults, with reduced prices for older adults, active military, and youth. Optional add ons include a CU Wave option and limited edition or retro shirts. The event offers a rollover option for missed participation for $32 and states a policy of no hidden fees. Visit the organization's website for the most recent information.
