Training

14 Photos Of The Iconic Bolder Boulder 10K

Thousands upon thousands of runners took part in the iconic Bolder Boulder 10K this past Memorial Day weekend.

Thousands upon thousands of runners took part in the iconic Bolder Boulder 10K this past Memorial Day weekend. With nearly 50,000 finishers and an equally packed stadium, the race brings a stellar elite field—and perhaps even more amazing costumes along the way. Check out some photos from the beautiful day in Boulder, Colo. Photos: Steve Godwin