Boulder Boulder 2024 Race. If you have questions about an event, please contact the organizer or race timer. More than 47,000 people will lace up their running shoes for the 44th annual bolder boulder on monday.colorado's largest road race starts at 30th and walnut.

The 44th running of the bolder boulder is underway. Results, tracking and leaderboard for the 2024 bolderboulder 10k road races, a world athletics label road race, on monday, may 27.