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, Half Marathon & 10K | Steamboat Springs,, CO | Marathon, Half Marathon & 10K |
| 6/7/2025 | All-Out Summer Breeze | Arvada,, CO | 5K, 10K, half marathon |
| 6/15/2025 | Father’s Day Classic | Arvada, CO | 10K, 5k and 1 Mile |
| 6/21/2025 | Red, White, & Brew | Windsor,, CO | 5k, 10k, Half Marathon |
| 6/21/2025 | Unicorn North 5K | Thornton, CO | 5k |
| 7/12/2025 | All-Out Dog Days | Westminster,, CO | 5K, 10K, half marathon |
| 7/19/2025 | Summer Splash Prairie Dog | Castle Rock, CO | Half Marathon, 10k and 5k |
| 8/2/2025 | All-Out Runapalooza | Arvada,, CO | 5K, 10K, half 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 Half | Erie, CO | Half Marathon and 5k |
| 9/13/2025 | All-Out Fall Fest | Westminster,, CO | 5K, 10K, half marathon |
| 9/13/2025 | The Denver 5k | Denver, CO | 5k |
| 9/27/2025 | Pioneer Prairie Dog Hald, 10k/5k | Westminster, CO | Half Marathon, 10k, 5k |
| 9/28/2025 | Boulderthon | Boulder,, CO | 5K, 10K, Half, Full, Kids Run |
| 10/5/2025 | Windsor Marathon | Windsor,, CO | 5k, 10k, Half Marathon, Marathon |
| 10/12/2025 | Westy Half and 5k | Westminster, CO | Half Marathon and 5k |
| 10/12/2025 | The bRUNch Run | Denver,, CO | 5K + 10K |
| 10/18/2025 | The Great Trailhead Foot Race | Lakewood, CO | 5 Mile and 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, half marathon |
| 11/15/2025 | Pumpkin Pie 5K/10K | Denver,, CO | 5K or 10K |
| 11/22/2025 | Brighton Turkey Trot 5k | Brighton,, CO | 5k |
| 11/22/2025 | Turkey Trek 1k and 5k | Arvada, CO | 10k and 5k |
| 11/27/2025 | Mile High United Way Turkey Trot | Denver,, CO | 4 Miles |
| 11/27/2025 | Broomfield Turkey Day 5k/10k | Broomfield, CO | 5k and 10k |
| 11/27/2025 | Alpine Bank Boulder Thanksgiving Day 5K | Boulder,, CO | 5K |
| 12/6/2025 | ColderBOLDER | Boulder,, CO | 5K |
| 12/6/2025 | All-Out Fa La La | Westminster,, CO | 5K, 10K, half marathon |
| 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, half 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 and 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, half marathon |
| 3/1/2026 | That Dam Run | Denver,, CO | 13.1M, 10K, 5K |
| 3/8/2026 | Runnin’ of the Green 7K | Denver,, CO | 7K, 2Mile |
| 3/14/2026 | Erin go Bragh | Westminster, CO | 7.77k |
| 3/22/2026 | Central Park 5k | Denver, CO | 5k |
| 3/22/2026 | All-Out Spring Fever | Golden,, CO | 5K, 10K, half marathon |
| 4/12/2026 | Spring Fling Prairie Dog | Arvada, CO | 5k/10/Half Marathon |
| 4/12/2026 | Donut Dash 5K | Denver,, CO | 5K |
| 4/18/2026 | All-Out Beat the Heat | Westminster,, CO | 5K, 10K, half marathon |
