BOLDERBoulder Qualifiers

The BOLDERBoulder is open to everyone. Only the first 29 waves require qualification — meaning people in those waves need to provide proof of their running pace. To learn more about waves and qualifying click here.

Below is a list of Official BOLDERBoulder qualifying races. Results from these races can be used for your qualifying time for the 2025 BOLDERBoulder! 

 

Date Race Race Distance(s) Race City & State
2025 BB10K Qualifers
1/19/2025 Polar Bear 5K 5K Denver
2/2/2025 Old Man WInter Rally 5K, 10K Lyons
2/2/2025 Super Bowl 5K 5K Denver
2/15/2025 Heart Throb 5k 5K Arvada
2/22/2025 All-Out Mardi Crawl 5K, 10K, Half Marathon Arvada
2/23/2025 Highlands Ranch 5k 5K Highlands Ranch
3/2/2025 That Dam Run 5K, 10K, Half Marathon Greenwood Village
3/15/2025 Erin Go Bragh 7.77K Westminster
3/16/2025 Lucky Brew Race 5K, 10K, 15K Windsor
3/23/2025 Central Park 5K 5K Denver
3/23/2025 All-Out Spring Fever 5K, 10K, Half Marathon Golden
4/6/2025 Donut Dash 5K 5K Denver
4/13/2025 Spring Prairie Dog Half/10K/5K 5K, 10K, Half Marathon Arvada
4/13/2025 Platte River Half Marathon Half Marathon Littleton
4/19/2025 Great Western Trail Race 5K, 10K, Half Marathon Severance
4/19/2025 All-Out Beat the Heat 5K, 10K, Half Marathon Westminster
4/27/2025 Unicorn 5k Denver 5K Denver
5/3/2025 Hope House 5K & Fun Run 5K Arvada
5/4/2025 Longmont Half and 5k 5K, Half Marathon Longmont
5/11/2025 Colorado Women’s Classic 5K, 10K, 10 Mile Westminster
5/13/2025 DIne & Dash 5K 5K Boulder
2026 BB10K Qualifers
6/1/2025 Steamboat Marathon, Half, 10K 10K, Half Marathon, Marathon Steamboat Springs
6/7/2025 All-Out Summer Breeze 5K, 10K, Half Marathon Arvada
6/15/2025 Father’S Day Classic 10K, 5k Arvada
6/21/2025 Red, White, & Brew 5K, 10K, Half Marathon Windsor
6/21/2025 Unicorn North 5K 5K Thorton
7/12/2025 All-Out Dog Days 5K, 10K, Half Marathon Westminster
7/19/2025 Summer Splash Prairie Dog 5K, 10K, Half Marathon Castle Rock
8/2/2025 Unicorn 5k South 5K Highlands Ranch
8/2/2025 All-Out Runapalooza 5K, 10K, Half Marathon Arvada
8/9/2025 Holy Cow Trail Stampede  5K Westminster
8/17/2025 Erie Half 5K, Half Marathon Erie
9/13/2025 The Denver 5k  5K Denver
9/13/2025 All-Out Fall Fest 5K, 10K, Half Marathon Westminster
9/27/2025 Pioneer Prairie Dog Half, 10K, 5K 5K, 10K, Half Marathon Westminster
9/28/2025 Boulderthon 5K, 10K, Half Marathon, Marathon Boulder
10/5/2025 Windsor Marathon 5K, 10K, Half Marathon, Marathon Windsor
10/12/2025 Westy Half & 5K 5K, Half Marathon Westminster
10/18/2025 The Great Trailhead Foot Race 5 Mile, 10 Mile Lakewood
10/25/2025 Eerie Erie 5K, 10K Erie
11/1/2025 City Park 5K  5K Denver
11/2/2025 All-Out Kooky-Spooky 5k, 10k, Half Marathon Golden
11/22/2025 Turkey Trek 5K 10K, 5K Arvada
11/22/2025 Brighton Turkey Trot 5k 5K Brighton
11/27/2025 Broomfield Turkey Day 5k/10k 10K, 5K Broomfield
12/13/2025 Winterfest 5K Thorton
12/20/2025 Santa’s Dash for Cash 5K Denver