East End Mile

Oddfellows Hall 1543 Pearl St., Boulder, CO, United States

Join us on Thursday July 13th, for the Downtown Boulder East End Mile. Our multi-lapped 1-Mile course starts and finishes on Pearl and 16th St., and goes up to 20th St. and back. There will be a Kids 800m, 1-Mile wave for those that run or walk slower than 7-min mile pace, 1-Mile wave for […]

Boulder XC Series II

Foothills Community Park 800 Cherry Ave, Boulder, CO, United States

Join us on Saturday October 28th, for Meet 2 of the Boulder XC Series. Foothills Community Park 800 Cherry Ave, Boulder, CO 80304 EVENTS 9:00AM 10 years & under - 1K 9:15AM 15 years & under - 2.5K 9:45AM Community - 4K Entries close 10/27 at 12:00PM. (NOON!)

Event Series Boulder Track Series

Frank Shorter Track Classic

Niwot High School 8989 Niwot Road, Niwot, CO, United States

The Frank Shorter Track Classic is a track meet honoring one of America's greatest distance athletes. Each year, we will celebrate Frank's career, his devotion to the sport of running and promotion of health and fitness, while also acknowledging a different Boulder Olympian. This year's meet will take place on May 21st at Nevin Platt Middle School in Boulder.

Sunset Trail Running Festival

Gold Hill Inn 401 Main St, Gold Hill, CO, United States

Join us Sunday June 23rd, for the Sunset Trail Running Festival in Gold Hill CO, benefiting the Boulder Watershed Collective. There will be a 28K (17.4M), 12K (7.7M), 5K and Kids 1K trail race, that starts and finishes in the main street of Gold Hill at the Gold Hill Inn, and is run in part on the National Forest Service Trails. The Sunset […]

Four on the Fourth 4K

Avery Brewing Company 4910 Nautilus Ct N, Boulder, CO, United States

July 4th is celebrated in a number of different ways, with parades, barbecues, sparklers and fireworks, BUT there has been no better way since 2008, to get your July 4th morning off to a great start, than doing Boulder’s traditional 4K on the Fourth, which is run on a flat and fast course, followed by […]

$35

Pearl Street Mile

Mountain Sun Pub and Brewery 1535 Pearl St, Boulder, CO, United States

Join Troop Events on Saturday August 6th for the 25th annual Pearl Street Mile, a criterium multi-lapped course that starts on Spruce St, and completes 3.75 laps around the Boulder Court House and up the Pearl Street Mall. This year, the race is the USATF Colorado One Mile Championships! There will be a Kids 800m, Family and Friends 1-Mile, time based 1-Mile waves, Masters 1-Mile races, and Elite Open 1-Mile races.

$35

Calarat Challenge Trail Running Festival

Cal-Wood Education Center 2282 County Road 87,, Ward, CO, United States

Join us Labor Day weekend for the Calarat Challenge Trail Running Festival. We start the festivities off on Saturday night with a 5K that you can run, walk or hike, and our Kids 1K. Then on Sunday morning, we have the 1/2 MARATHON and 10K. All trail races start and finish at the Cal-Wood Education […]

Please click here to submit your event for FREE to our online calendar.
We do not allow events without physical locations (IE – virtual runs, runs with locations TBD, etc…).
Please allow 48 hours after submission for an event to appear on the calendar. If you have already listed your event and would like us to update it, please contact us.