| 1366 | 28 Jun 26 | Boulder Sunrise Triathlon | Olympic/Sprint Duathlon/Sprint Triathlon | Boulder, CO |
| 1367 | 15 Mar 26 | Lucky Leprechaun 5K | 5K | Boulder, CO |
| 1368 | 27 Jun 26 | Colorado Brewery Running Series | 5K | Boulder, CO |
| 1369 | 04 Jun 26 | BRR All Comers Summer Track and Field Series | track meet | Boulder, CO |
| 1370 | 03 May 26 | Emerge 5K | 5K | Boulder, CO |
| 1371 | 25 May 26 | BOLDERBoulder 10K | 10K | Boulder, CO |
| 1372 | 31 May 26 | Harvest Moon Long Course Triathlon | half duathlon/half triathlon | Boulder, CO |
| 1373 | 28 Jun 26 | 2026 Boulder Sunrise Triathlon | triathlon | Boulder, CO |
| 1374 | 18 Jul 26 | 2026 Tri Boulder Triathlon | triathlon | Boulder, CO |
| 1375 | 28 Apr 26 | Dash & Dine 5K Series | 5K | Boulder, CO |
| 1376 | 25 Apr 26 | Rage Triathlon | Olympic/Sprint Duathlon/Sprint Triathlon/Sprint Triathlon Relay/sprint duathlon relay | Boulder, NV |
| 1377 | 25 Apr 26 | 2026 Rage Triathlon | triathlon | Boulder, NV |
| 1378 | 10 Oct 26 | 2026 Las Vegas Triathlon | triathlon | Boulder, NV |
| 1379 | 31 Oct 26 | 2026 PumpkinMan Triathlon | triathlon | Boulder, NV |
| 1380 | 16 May 26 | White Deer Triathlon | Sprint Triathlon Relay/sprint dry triathlon | Boulder Junction, WI |