The BOLDERBoulder is one of the largest and most celebrated 10K races in the United States, held annually on Memorial Day in Boulder, Colorado. Known for its lively atmosphere, the race features a scenic yet challenging course with live music, cheering spectators, and entertaining distractions along the way. The event includes multiple race divisions, such as the 10K citizen’s race for runners and walkers of all levels, as well as elite and wheelchair divisions that attract top international athletes. A signature highlight is the finish inside the University of Colorado’s Folsom Field, where thousands of spectators cheer on participants in a stadium-style celebration. As a Memorial Day tradition, the event also honors military service with a post-race tribute, making it a unique blend of athleticism, community spirit, and patriotism.
Race
10km
Race Date:
26 May, 2025
The BOLDERBoulder 10km, set for May 26, 2025, is one of America's largest and most celebrated 10K races, organized by the Boulder community. Drawing over 50,000 participants and 100,000 spectators, this iconic event culminates at the University of Colorado's Folsom Field with a grand Memorial Day tribute.
Weather based on historical averages. Route data provided by Strava, based on last year's race.
FAQs
What is the BOLDERBoulder?
How long is the BOLDERBoulder?
Where does the BOLDERBoulder take place?
What is the elevation gain of the BOLDERBoulder?
How can I prepare for the BOLDERBoulder?
How do I choose the right training plan for the BOLDERBoulder?
The BOLDERBoulder 10km, set for May 26, 2025, is one of America's largest and most celebrated 10K races, organized by the Boulder community. Drawing over 50,000 participants and 100,000 spectators, this iconic event culminates at the University of Colorado's Folsom Field with a grand Memorial Day tribute.
The BOLDERBoulder is 10km long.
The BOLDERBoulder takes place in Boulder, Colorado, USA.
The BOLDERBoulder elevation gain is 79 meters, which Runna classifies as a Rolling race.
The best way to train for the next race is to use a personalized training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the BOLDERBoulder?
The BOLDERBoulder 10km, set for May 26, 2025, is one of America's largest and most celebrated 10K races, organized by the Boulder community. Drawing over 50,000 participants and 100,000 spectators, this iconic event culminates at the University of Colorado's Folsom Field with a grand Memorial Day tribute.
How long is the BOLDERBoulder?
The BOLDERBoulder is 10km long.
Where does the BOLDERBoulder take place?
The BOLDERBoulder takes place in Boulder, Colorado, USA.
What is the elevation gain of the BOLDERBoulder?
The BOLDERBoulder elevation gain is 79 meters, which Runna classifies as a Rolling race.
How can I prepare for the BOLDERBoulder?
The best way to train for the next race is to use a personalized training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the BOLDERBoulder?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalized training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
More
Sport:
Running
Tags:
Major City
Virtual
This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by BOLDERBoulder by Runners Roost or BOLDERBoulder. All event details are based on publicly available information and are provided solely to help users discover running events. Runna does not use any official logos, images, or proprietary content from this event or its organiser. Any trademarks or names mentioned are used descriptively to identify the event in a factual manner. For the most accurate and up to date information (including to register or purchase an entry to the event), please visit the BOLDERBoulder by Runners Roost website.
