Colorado · 10K
BolderBOULDER 10K
BolderBOULDER 10K is a 10K event held in Boulder, Colorado. It is usually held in May; the exact date hasn't been confirmed in the listing yet. About 50,000 runners take part across all distances.
- Usually held
- May
- Location
- Boulder, CO
- Field size
- ~50,000 runners
Race details
- Usually held in
- May (date not confirmed)
- Location
- Boulder, Colorado
- Distances
- 10K
- Field size
- About 50,000 runners
- Course
- Rolling, net slightly downhill; ~5,400 ft altitude, finishes in Folsom Field
- Registration
- bolderboulder.com
- Official website
- bolderboulder.com
About the BolderBOULDER 10K
Colorado's biggest Memorial Day tradition since 1979, BolderBOULDER is a 10K run/walk/parade through Boulder that finishes inside the University of Colorado's Folsom Field. It draws over 50,000 participants and roughly 100,000 spectators each year.
Rankings and notes
- Rankings and awards
- One of the largest 10Ks in the world and 3rd/4th-largest road race in the US; named 'America's All-Time Best 10K' by Runner's World; ends with the largest Memorial Day Tribute in the country inside CU's Folsom Field
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Guides from the RaceRove blog
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- Blog All guides Planning advice for finding, choosing and travelling to races.
BolderBOULDER 10K: common questions
- When is the BolderBOULDER 10K?
- The next date hasn't been announced in the listing yet. The race is usually held in May. Check the organiser's website for the official date.
- Where is the BolderBOULDER 10K held?
- In Boulder, Colorado.
- What distances does the BolderBOULDER 10K offer?
- 10K.
- How many people run the BolderBOULDER 10K?
- About 50,000 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the BolderBOULDER 10K?
- Registration is handled by the organiser at bolderboulder.com. Entry fees, caps and deadlines are set there.
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.