May 28, 6:00AM

Folsom Field

The BolderBOULDER has grown to become one of the largest and most highly acclaimed 10K’s in the world. Almost 1.2 million runners, joggers, walkers and spectators of all ages have gathered over the years to create a spectacle that defies description.Each year we host 50,000+ participants and 70,000+ spectators at Folsom Field.