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 2026 BOLDERBoulder!
| Date | Race | Location | Race Distance(s) |
| 2026 BB10K Qualifiers | |||
| 6/1/2025 | Steamboat Marathon, 1/2 Marathon & 10K | Steamboat Springs, CO | 10K, 1/2 Marathon, Marathon |
| 6/7/2025 | All-Out Summer Breeze | Arvada, CO | 5K, 10K, 1/2 Marathon |
| 6/15/2025 | Father’s Day Classic | Arvada, CO | 5K, 10K |
| 6/21/2025 | Red, White, & Brew | Windsor, CO | 5K, 10K, 1/2 Marathon |
| 6/21/2025 | Unicorn North 5K | Thornton, CO | 5K |
| 7/12/2025 | All-Out Dog Days | Westminster, CO | 5K, 10K, 1/2 Marathon |
| 7/19/2025 | Summer Splash Prairie Dog | Castle Rock, CO | 5K, 10K, 1/2 Marathon |
| 8/2/2025 | All-Out Runapalooza | Arvada, CO | 5K, 10K, 1/2 Marathon |
| 8/2/2025 | Unicorn 5k South | Highlands Ranch, CO | 5K |
| 8/9/2025 | Holy, COw Trail Stampede | Westminster, CO | 5K |
| 8/17/2025 | Erie 1/2 | Erie, CO | 5K, 1/2 Marathon |
| 9/13/2025 | All-Out Fall Fest | Westminster, CO | 5K, 10K, 1/2 Marathon |
| 9/13/2025 | The Denver 5k | Denver, CO | 5K |
| 9/27/2025 | Pioneer Prairie Dog Hald, 10k/5k | Westminster, CO | 5K, 10K, 1/2 Marathon |
| 9/28/2025 | Boulderthon | Boulder, CO | 5K, 10K, 1/2 Marathon, Marathon |
| 10/5/2025 | Windsor Marathon | Windsor, CO | 5K, 10K, 1/2 Marathon, Marathon |
| 10/12/2025 | Westy 1/2 and 5k | Westminster, CO | 5K, 1/2 Marathon |
| 10/12/2025 | The bRUNch Run | Denver, CO | 5K, 10K |
| 10/18/2025 | The Great Trailhead Foot Race | Lakewood, CO | 5 Mile, 10 Mile |
| 10/25/2025 | Eerie Erie | Erie, CO | 5K, 10K |
| 11/1/2025 | City Park 5k | Denver, CO | 5K |
| 11/2/2025 | All-Out Kooky-Spooky | Golden, CO | 5K, 10K, 1/2 Marathon |
| 11/15/2025 | Pumpkin Pie 5K/10K | Denver, CO | 5K, 10K |
| 11/22/2025 | Brighton Turkey Trot 5k | Brighton, CO | 5k |
| 11/22/2025 | Turkey Trek 1k and 5k | Arvada, CO | 5K, 10K |
| 11/27/2025 | Mile High United Way Turkey Trot | Denver, CO | 4 Miles |
| 11/27/2025 | Broomfield Turkey Day 5k/10k | Broomfield, CO | 5K, 10K |
| 11/27/2025 | Alpine Bank Boulder Thanksgiving Day 5K | Boulder, CO | 5K |
| 12/6/2025 | ColderBOLDER | Boulder, CO | 5K |
| 12/13/2025 | Winterfest | Thornton, CO | 5K |
| 12/20/2025 | Santa’s Dash for Cash | Denver, CO | 5K |
| 12/21/2025 | Ugly Sweater 5K | Denver, CO | 5K |
| 1/1/2026 | Resolute Runner 5k | Arvada, CO | 5K |
| 1/10/2026 | All-Out Polar Prowl | Arvada, CO | 5K, 10K, 1/2 Marathon |
| 1/18/2026 | CO, COld Rush | Louisville, CO | 5K, 10K |
| 1/18/2026 | Polar Bear 5K | Denver, CO | 5K |
| 2/1/2026 | Super Bowl 5K | Denver, CO | 5K |
| 2/1/2026 | Old Man Winter Rally | Lyons, CO | 5K, 10K |
| 2/8/2026 | Valentine’s Day 4 Mile | Denver, CO | 4 Mile |
| 2/14/2026 | Heart Throb 5k | Arvada, CO | 5K |
| 2/22/2026 | Highlands Ranch 5k | Highlands Ranch, CO | 5K |
| 2/22/2026 | All-Out Mardi Crawl | Arvada, CO | 5K, 10K, 1/2 Marathon |
| 3/1/2026 | That Dam Run | Denver, CO | 5K, 10K, 1/2 Marathon |
| 3/7/2026 | Lucky Lyons | Lyons, CO | 5K, 10K |
| 3/8/2026 | Runnin’ of the Green 7K | Denver, CO | 7K |
| 3/14/2026 | Erin go Bragh | Westminster, CO | 7.77k |
| 3/14/2026 | Lucky Brew Race | Severance, CO | 5K, 10K, 15K & 1/2 Marathon |
| 3/15/2026 | Lucky Leprechaun 5K | Boulder, CO | 5K |
| 3/22/2026 | Central Park 5k | Denver, CO | 5K |
| 3/22/2026 | All-Out Spring Fever | Golden, CO | 5K, 10K, 1/2 Marathon |
| 4/12/2026 | Platte River 1/2 Marathon | Littleton, CO | 5K, 1/2 Marathon |
| 4/12/2026 | Spring Fling Prairie Dog | Arvada, CO | 5K, 10K, 1/2 Marathon |
| 4/12/2026 | Donut Dash 5K | Denver, CO | 5K |
| 4/18/2026 | All-Out Beat the Heat | Westminster, CO | 5K, 10K, 1/2 Marathon |
| 5/2/2026 | Hope House 5K & Fun Run | Westminster, Colorado | 5K |
| 4/28/2026 | Dash & Dine 5k | Boulder, CO | 5K |
| 5/5/2026 | Dash & Dine 5k | Boulder, CO | 5K |
| 5/12/2026 | Dash & Dine 5k | Boulder, CO | 5K |
| 5/19/2026 | Dash & Dine 5k | Boulder, CO | 5K |
