| 1021 | 18 Jul 26 | 2026 Tri Boulder Triathlon | triathlon | Boulder, CO |
| 1022 | 28 Apr 26 | Dash & Dine 5K Series | 5K | Boulder, CO |
| 1023 | 25 Apr 26 | Rage Triathlon | Olympic/Sprint Duathlon/Sprint Triathlon/Sprint Triathlon Relay/sprint duathlon relay | Boulder, NV |
| 1024 | 25 Apr 26 | 2026 Rage Triathlon | triathlon | Boulder, NV |
| 1025 | 10 Oct 26 | 2026 Las Vegas Triathlon | triathlon | Boulder, NV |
| 1026 | 31 Oct 26 | 2026 PumpkinMan Triathlon | triathlon | Boulder, NV |
| 1027 | 13 Jun 26 | Ironman 70.3 Boulder | half triathlon | Boulder, CO |
| 1028 | 28 Jun 26 | Boulder Sunrise 10K and 5K | 5K/10K | Boulder, CO |
| 1029 | 28 Jun 26 | Boulder Sunrise Triathlon | Olympic/Sprint Duathlon/Sprint Triathlon | Boulder, CO |
| 1030 | 25 May 26 | BOLDERBoulder 10K | 10K | Boulder, CO |
| 1031 | 31 May 26 | Harvest Moon Long Course Triathlon | half duathlon/half triathlon | Boulder, CO |
| 1032 | 11 Apr 26 | Muddy Dash | Vegas 2026 | 5K | Boulder, NV |
| 1033 | 04 Jun 26 | Boulder Stroke & Stride Series | 5K | Boulder, CO |
| 1034 | 06 Jun 26 | Colorado Triathlon | Olympic/Olympic Duathlon/Sprint Triathlon | Boulder, CO |
| 1035 | 12 Jul 26 | Boulder Peak Triathlon | Olympic Duathlon/Olympic Triathlon | Boulder, CO |