Launched in 1979 and now presented by Runners Roost, this city-wide celebration features a single distance—10K—with citizen waves, a wheelchair division, and an international pro race, all culminating in a packed-stadium finish and Memorial Day Tribute at Folsom Field. Expect big crowds, on-course entertainment, and a festival atmosphere from start to finish. Mark your calendar for May 25, 2026 to experience one of the nation’s signature road races.
Race
10 km
Race Date:
25 May, 2026
The BOLDERBoulder 10K 2026, organized by the BOLDERBoulder team (Corrigan Sports), is scheduled for Monday, 25 May 2026 (Memorial Day), in Boulder, Colorado, featuring a high-altitude 10-kilometer road course that weaves through Boulder’s vibrant neighborhoods and culminates with a grand finish inside CU’s Folsom Field during the city’s renowned Memorial Day tribute ceremony.
Weather based on historical averages.
FAQs
What is the BOLDERBoulder 10K?
How long is the BOLDERBoulder 10K?
Where does the BOLDERBoulder 10K take place?
What is the elevation gain of the BOLDERBoulder 10K?
How can I prepare for the BOLDERBoulder 10K?
How do I choose the right training plan for the BOLDERBoulder 10K?
The BOLDERBoulder 10K 2026, organized by the BOLDERBoulder team (Corrigan Sports), is scheduled for Monday, 25 May 2026 (Memorial Day), in Boulder, Colorado, featuring a high-altitude 10-kilometer road course that weaves through Boulder’s vibrant neighborhoods and culminates with a grand finish inside CU’s Folsom Field during the city’s renowned Memorial Day tribute ceremony.
The BOLDERBoulder 10K is 10km long.
The BOLDERBoulder 10K takes place in Boulder, CO, USA.
Runna classifies the BOLDERBoulder 10K elevation profile as Rolling.
The best way to train for the next race is to use a personalised 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 personalised 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 10K?
The BOLDERBoulder 10K 2026, organized by the BOLDERBoulder team (Corrigan Sports), is scheduled for Monday, 25 May 2026 (Memorial Day), in Boulder, Colorado, featuring a high-altitude 10-kilometer road course that weaves through Boulder’s vibrant neighborhoods and culminates with a grand finish inside CU’s Folsom Field during the city’s renowned Memorial Day tribute ceremony.
How long is the BOLDERBoulder 10K?
The BOLDERBoulder 10K is 10km long.
Where does the BOLDERBoulder 10K take place?
The BOLDERBoulder 10K takes place in Boulder, CO, USA.
What is the elevation gain of the BOLDERBoulder 10K?
Runna classifies the BOLDERBoulder 10K elevation profile as Rolling.
How can I prepare for the BOLDERBoulder 10K?
The best way to train for the next race is to use a personalised 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 10K?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised 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
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.
