Set against the backdrop of Boulder, Colorado's stunning natural beauty, BolderBoulder 2027 promises to be an unforgettable running experience. The race route weaves through picturesque neighborhoods and iconic landmarks, offering runners breathtaking views of the Rocky Mountains as they push themselves along a challenging yet rewarding course. Participants will start their journey at Folsom Field on the University of Colorado Boulder campus, where enthusiastic crowds gather early in the morning to cheer them on. As racers make their way out of the university grounds, they'll pass by historic sites such as Chautauqua Park and continue through bustling downtown areas filled with local vendors selling snacks and souvenirs. The course features a mix of flat stretches and gradual inclines that test runners' endurance while showcasing Boulder's vibrant community spirit. Spectators line both sides of the route, creating an electrifying atmosphere throughout the race day. For those looking to enjoy the event without competing, there are numerous vantage points where spectators can cheer on participants or simply take in the scenic beauty. BolderBoulder 2027 is not just about running; it's a celebration of health and fitness that brings together runners from all walks of life. Whether you're an elite athlete aiming for personal bests or someone participating purely for fun, this event offers something special to everyone involved. With its engaging course design and supportive community environment, BolderBoulder continues to be one of the most beloved races in North America. The post-race festivities are a highlight of the day as runners cross the finish line into an area brimming with refreshments, music, and camaraderie. This annual event has become much more than just a race; it's a tradition that encapsulates the spirit of Boulder – a place where people come together to celebrate their love for running in one of America’s most beautiful settings.
Races Offered
Join us IN PERSON in Boulder, Colorado
May 31, 2027
straighten
Distance —
10K
terrain
Type —
Running
timer
12:40
sell
$69.00
Run Virtually ANYWHERE in the WORLD
May 31, 2027
straighten
Distance —
10K
terrain
Type —
Running
timer
12:40
sell
$69.00
Weather History
These values represent the 3-year monthly averages for May in Boulder.
thermostatTemperature
5.8° / 19.6°
wb_sunnyFeels like
2.9° / 16.7°
light_mode
Avg sunshine hours
11h 53m
water_drop
Avg rainfall
2.9 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
8.0 km/h (Light breeze)
opacity
Sweat loss rate
Low
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
High (6.0)
humidity_mid
Humidity
59.1%
wb_twilight
Sunrise
05:44
nightlight
Sunset
20:09
About Boulder
Learn more about the host city, Boulder.
Boulder is a college town of about 106,000 in the Front Range region of Colorado. The home of the University of Colorado, the city has a reputation for progressive values and outdoor recreation. It is a very pleasant place to live and visit.