| 151 | 14 Sep 25 | 2025 Ballwin Kids Triathlon . . | triathlon | Ballwin, MO |
| 152 | 20 Jul 25 | 2025 Ballwin Triathlon . . | triathlon | Ballwin, MO |
| 153 | 04 Oct 25 | 2025 Baltimore Triathlon - Saturday Women & Youth | triathlon | Chase, MD |
| 154 | 06 Sep 25 | 2025 Barber Beast on the Bay | 10 Mile | Erie, PA |
| 155 | 08 Jun 25 | 2025 Bare Hill Sprint Triathlon, Dualthlon & Aquabike | triathlon | Harvard, MA |
| 156 | 08 Jun 25 | 2025 Bark & Brew 5K presented by Chief Financial Credit Union | 5K | Rochester, MI |
| 157 | 31 May 25 | 2025 Barrel Oak 3k/6k | 3k/6k | Delaplane, VA |
| 158 | 31 May 25 | 2025 Basalt Half Marathon & Relay | Half Marathon | Basalt, CO |
| 159 | 27 Sep 25 | 2025 Battle at Buckhorn Sprint Triathlon | triathlon | Sims, NC |
| 160 | 12 Jul 25 | 2025 Bay St. Louis Triathlon . . | triathlon | Bay Saint Louis, MS |
| 161 | 31 May 25 | 2025 Be Kind to Your Mind 1M 5K 10K 13.1 26.2- Benefitting Mental Health America | 10K/13.1/1M/26.2/5K | Birmingham, AL |
| 162 | 31 May 25 | 2025 Be Kind to Your Mind 1M 5K 10K 13.1 26.2- Benefitting Mental Health America | 10K/13.1/1M/26.2/5K | Tucson, AZ |
| 163 | 31 May 25 | 2025 Be Kind to Your Mind 1M 5K 10K 13.1 26.2- Benefitting Mental Health America | 10K/13.1/1M/26.2/5K | Los Angeles, CA |
| 164 | 31 May 25 | 2025 Be Kind to Your Mind 1M 5K 10K 13.1 26.2- Benefitting Mental Health America | 10K/13.1/1M/26.2/5K | Denver, CO |
| 165 | 31 May 25 | 2025 Be Kind to Your Mind 1M 5K 10K 13.1 26.2- Benefitting Mental Health America | 10K/13.1/1M/26.2/5K | West Hartford, CT |