Bolder Boulder
| Use attributes for filter ! | |
| Participants | ~54,000 |
|---|---|
| Date of Reg. | |
| Date of Upd. | |
| ID | 3019798 |
About Bolder Boulder
The Bolder Boulder is an annual 10-kilometer run in Boulder, Colorado. The most recent race featured over 54,000 runners, walkers, and wheelchair racers, making it the second largest 10k race in the US and the fifth largest road race in the world. It has one of the largest non-marathon prize purses in road racing.
