We produce the best local road and cross country running races in the Boulder area!
05/06/2024
Where will you be on Mother's Day? Join us for a new Boulder tradition! The Mother's Day Heart and Sole Half Marathon, 10k & 5k is less than 1 week away! Run as a Mother/Daughter or Mother/Son team! Cinch bag, race shirt, race hat, and finisher's medal included. Registration closes in 4 days. Come run with us!
Register: https://raceroster.com/events/2024/84191/the-mothers-day-heart-and-sole-half-marathon-10k-and-5k
04/29/2024
Less than two weeks to go!
Less than two weeks! That's right! Less than two weeks away from the inaugural Mother’s Day Heart and Sole Half-Marathon/10k/5k taking place on May 12, 2024 at the beautiful Boulder Reservoir. Having been named Colorado’s Best Half Marathon by the Colorado Runner magazine. Included with your entry fee is a commemora...
04/09/2024
Celebrate Mother's Day
Free Demos for Mother's Day LOWA is proud to be a sponsor of the Mother’s Day Heart & Sole Half Marathon/10K/5K on May 12th. Stop by our booth to say hi to us and our retail partner, Boulder Orthotics. We’d love to show you our collection of ATR trail runners and invite you to demo a pair of FORTUX trail runners so you can...
04/02/2024
Who's excited about the Mother's Day Heart and Sole Half Marathon, 10k & 5k. Comin your way May12th! Be part of a Boulder tradition: Register: https://raceroster.com/events/2024/84191/the-mothers-day-heart-and-sole-half-marathon-10k-and-5k
03/12/2024
Mother's Day
Don't Miss out!!... Hello 303 Family!! In case you haven’t heard, 303 Running will be hosting the Mother’s Day Heart and Sole Half-Marathon/10k/5k taking place on May 12, 2024 at the beautiful Boulder Reservoir. Having been named Colorado’s Best Half Marathon by the Colorado Runner magazine. We will have special ...
03/11/2024
Don't miss out on the Inaugural Mother's Day Heart and Sole Half Marathon, 10k & 5k. Coming to you on May 12th! Special Mother/ Daughter and Mother/ Son teams. Price includes race hat, swag bag, race shirt, and finishers medal! Be part of Boulder tradition..
Register: https://raceroster.com/events/2024/84191/the-mothers-day-heart-and-sole-half-marathon-10k-and-5k
02/21/2024
Mother's Day
Check them Out... Hello 303 Family!! If you haven’t heard, 303 Running will be hosting the Mother’s Day Heart and Sole Half-Marathon/10k/5k taking place on May 12, 2024 at the beautiful Boulder Reservoir. Having been named Colorado’s Best Half Marathon by the Colorado Runner magazine. We wanted to highlight one...
01/01/2024