| 166 | 20 Jul 25 | 2025 Ballwin Triathlon . . | triathlon | Ballwin, MO |
| 167 | 04 Oct 25 | 2025 Baltimore Triathlon - Saturday Women & Youth | triathlon | Chase, MD |
| 168 | 06 Sep 25 | 2025 Barber Beast on the Bay | 10 Mile | Erie, PA |
| 169 | 08 Jun 25 | 2025 Bare Hill Sprint Triathlon, Dualthlon & Aquabike | triathlon | Harvard, MA |
| 170 | 08 Jun 25 | 2025 Bark & Brew 5K presented by Chief Financial Credit Union | 5K | Rochester, MI |
| 171 | 22 Mar 25 | 2025 Barlowe Bolt | 5K | Millersville, MD |
| 172 | 31 May 25 | 2025 Barrel Oak 3k/6k | 3k/6k | Delaplane, VA |
| 173 | 31 May 25 | 2025 Basalt Half Marathon & Relay | Half Marathon | Basalt, CO |
| 174 | 27 Sep 25 | 2025 Battle at Buckhorn Sprint Triathlon | triathlon | Sims, NC |
| 175 | 12 Jul 25 | 2025 Bay St. Louis Triathlon . . | triathlon | Bay Saint Louis, MS |
| 176 | 06 Apr 25 | 2025 Baylands park youth Bike/run clinic . . | triathlon | Sunnyvale, CA |
| 177 | 20 Sep 25 | 2025 Be The Light 5K | 5K/10K | Valencia, CA |
| 178 | 23 Aug 25 | 2025 Beach Bum Classic Triathlon | triathlon | Virginia Beach, VA |
| 179 | 21 Jun 25 | 2025 Beach Bum Triathlon | triathlon | Hilton Head Island, SC |
| 180 | 18 Oct 25 | 2025 Beach Girl Triathlon | triathlon | Galveston, TX |