| 196 | 07 Jun 25 | 2025 Best in the West Triathlon Festival . . | triathlon | Foster, OR |
| 197 | 14 Jun 25 | 2025 Big Fish Triathlon | triathlon | Mayville, NY |
| 198 | 31 May 25 | 2025 Big Horn Challenge Triathlon | triathlon | Worland, WY |
| 199 | 27 Sep 25 | 2025 Big Hurt Multisport Adventure | triathlon | Port Angeles, WA |
| 200 | 02 Aug 25 | 2025 Big Lake Graniteman Triathlon | triathlon | Big Lake, MN |
| 201 | 12 Jul 25 | 2025 Big Shark New Town Triathlon - Saturday Kid's Triathlon | triathlon | St. Charles, MO |
| 202 | 13 Jul 25 | 2025 Big Shark New Town Triathlon - Sunday | triathlon | St. Charles, MO |
| 203 | 22 Jun 25 | 2025 Big Sky State Games Run Paddle Run | triathlon | Billings, MT |
| 204 | 18 Oct 25 | 2025 BIGFOOT! 1M 5K 10K 13.1 26.2- Benefitting The National Park Foundation | 10K/13.1/1M/26.2/5K/Triathlon/Ultra | Mobile, AL |
| 205 | 18 Oct 25 | 2025 BIGFOOT! 1M 5K 10K 13.1 26.2- Benefitting The National Park Foundation | 10K/13.1/1M/26.2/5K/Triathlon/Ultra | Fairbanks, AK |
| 206 | 18 Oct 25 | 2025 BIGFOOT! 1M 5K 10K 13.1 26.2- Benefitting The National Park Foundation | 10K/13.1/1M/26.2/5K/Triathlon/Ultra | Phoenix, AZ |
| 207 | 18 Oct 25 | 2025 BIGFOOT! 1M 5K 10K 13.1 26.2- Benefitting The National Park Foundation | 10K/13.1/1M/26.2/5K/Triathlon/Ultra | Fayetteville, AR |
| 208 | 18 Oct 25 | 2025 BIGFOOT! 1M 5K 10K 13.1 26.2- Benefitting The National Park Foundation | 10K/13.1/1M/26.2/5K/Triathlon/Ultra | Sonoma, CA |
| 209 | 18 Oct 25 | 2025 BIGFOOT! 1M 5K 10K 13.1 26.2- Benefitting The National Park Foundation | 10K/13.1/1M/26.2/5K/Triathlon/Ultra | Denver, CO |
| 210 | 18 Oct 25 | 2025 BIGFOOT! 1M 5K 10K 13.1 26.2- Benefitting The National Park Foundation | 10K/13.1/1M/26.2/5K/Triathlon/Ultra | West Hartford, CT |