| 1516 | 27 Nov 25 | Alpine Bank Boulder Thanksgiving Day 5K | 5K | Boulder, CO |
| 1517 | 10 Jan 26 | Lake Mead Marathon | 5K/10K/13.1M/26.2M | Boulder, NV |
| 1518 | 31 Jul 25 | BRR All Comers Summer Track and Field Series | track meet | Boulder, CO |
| 1519 | 27 Sep 25 | Friends of the National Center Science Stride 5K | 5K | Boulder, CO |
| 1520 | 25 Oct 25 | Pumpkinman Triathlon | Olympic/Sprint Duathlon/Sprint Triathlon | Boulder, NV |
| 1521 | 06 Dec 25 | Hoover Dam Marathon | 5K/10K/13.1M/26.2M | Boulder, NV |
| 1522 | 31 Jul 25 | Mile High Mile | 1M | Boulder, CO |
| 1523 | 19 Oct 25 | Colorado Brewery Running Series | 5K | Boulder, CO |
| 1524 | 23 Aug 25 | Boulder 5K Taco Fest | 5K | Boulder, CO |
| 1525 | 28 Sep 25 | Boulderthon, presented by PUMA | 10K/5K/13.1/26.2 | Boulder, CO |
| 1526 | 04 Oct 25 | Las Vegas Tri 5K and 10K | 5K/10K | Boulder, NV |
| 1527 | 02 Aug 25 | Boulder Rez Marathon | 10K/13.1M/19.7M/26.2M | Boulder, CO |
| 1528 | 09 Aug 25 | Rocky Mountain Tri Fest | Sprint/kids run/supersprint triathlon | Boulder, CO |
| 1529 | 23 Aug 25 | Boulder Sunset 10K/5K | 5K/10K | Boulder, CO |
| 1530 | 23 Aug 25 | Boulder Sunset Triathlon | Olympic/Sprint Duathlon/Sprint Triathlon | Boulder, CO |