Saturday August 2nd, 2025
Boulder, Colorado
Distance: Marathon · Half Marathon · Marathon Relay · 10K · 3/4 Marathon
Offical Race Web Site
The Boulder Rez Marathon is quickly becoming a Boulder classic! This isn’t just another run around the lake. August temperatures will create the perfect race atmosphere. BBSC willoffer a Marathon, ¾ Marathon, Half Marathon, 10K and 5K, guaranteeing the perfect distance for you! This popular course will take runners around the Boulder Reservoiron some stunning single tracks, packed-dirt trails, and paved park roads at the start and finish line. After your race enjoy the lively post-race atmosphere with music, awards, beer, food and more!

| Division | Time | Name | Age | Home |
| Male | 3:09:47 | erick maccomick | ||
| 2nd Male | 3:20:42 | max coffin | ||
| 3rd Male | 3:29:50 | alec kaljian | ||
| 4th Male | 3:34:33 | daniel garcia | ||
| Female | 3:47:45 | isabella vogl | ||
| 2nd Female | 4:05:56 | brett medina | ||
| 3rd Female | 4:21:37 | tania pressis | ||
| 4th Female | 4:22:33 | april komplin |
| Division | Time | Name | Age | Home |
| M 40-49 | 4:29:11 | jonas mulderossi | ||
| M 50-59 | 3:37:25 | todd komlin | ||
| M 60-69 | 4:25:36 | ed mahoney | ||
| M 70+ | 5:06:12 | david heck | ||
| F 40-49 | 4:21:37 | tania plessis | ||
| F 50-59 | 4:34:34 | anita fromm | ||
| F 60-69 | 4:36:39 | caryn honig |