BOLDERBoulder 10K
Boulder, CO
BOLDERBoulder 10K is a road race of 6.2 miles (10 km) in Boulder, Colorado. The next edition is on Monday, May 31, 2027. Registration is open to all. The field is about 47,645 runners.
There are 58 other upcoming races up to a half marathon in Colorado.
Questions about BOLDERBoulder 10K
When is BOLDERBoulder 10K 2027?
BOLDERBoulder 10K 2027 is on Monday, May 31, 2027.
Where is BOLDERBoulder 10K?
BOLDERBoulder 10K is held in Boulder, Colorado.
How long is BOLDERBoulder 10K?
BOLDERBoulder 10K is 6.2 miles (10 km).
How do you get into BOLDERBoulder 10K?
BOLDERBoulder 10K has open registration.
What is the weather usually like at BOLDERBoulder 10K?
Around BOLDERBoulder 10K's date, the day's high is typically about 71°F (22°C) and the low about 47°F (8°C), averaged over recent years.
What other races up to a half marathon are there in Colorado?
Other upcoming races up to a half marathon in Colorado include Above the Clouds Ultra (October 3, 2026), Sage Burner Trail Race (October 3, 2026) and The Bear Chase (October 3, 2026).
Other races in Colorado
- Colfax 5K (Denver Colfax Marathon weekend, Saturday) 5K · May 2027, TBD
- Colorado Rockies Home Run for the Homeless 5K 5K · May 2027, TBD
- Denver Colfax Half Marathon Half Marathon · May 16, 2027
- Samson's Revenge 10K · May 22, 2027
- Denver Pride 5K 5K · Jun 2027, TBD
More like it
Updated