| 11341 | 25 Jul 26 | 2026 Burley Spudman Triathlon | triathlon | Burley, ID |
| 11342 | 26 Nov 26 | 2026 Burke Lake Turkey Trot 5k/10k | 10K/5K | Fairfax Station, VA |
| 11343 | 08 Feb 26 | 2026 Buper Sowl 5k/10k | 10K/5K | Fairfax Station, VA |
| 11344 | 07 Jun 26 | 2026 Buffalo Graniteman Triathlon | triathlon | Buffalo, MN |
| 11345 | 04 Oct 26 | 2026 Bucktown 5K and Kids' Run | 5K | Chicago, IL |
| 11346 | 10 May 26 | 2026 Brunch Run Sacramento | 1K/5K | Lodi, CA |
| 11347 | 06 May 26 | 2026 Brick Endurance Summer Triathlon Series #1 | triathlon | Durham, NC |
| 11348 | 12 Sep 26 | 2026 Brett-Robinson Alabama Coastal Triathlon ~ Results | triathlon | Gulf Shores, AL |
| 11349 | 21 Jun 26 | 2026 Bozeman Triathlon | triathlon | Bozeman, MT |
| 11350 | 28 Jun 26 | 2026 Boulder Sunrise Triathlon | triathlon | Boulder, CO |
| 11351 | 12 Jul 26 | 2026 Boulder Peak Triathlon | triathlon | Boulder, CO |
| 11352 | 27 Jun 26 | 2026 Bottomless Triathlon | triathlon | Roswell, NM |
| 11353 | 23 Aug 26 | 2026 Boston Triathlon | triathlon | Boston, MA |
| 11354 | 25 Apr 26 | 2026 Booking It Through the Bluff Triathlon & 10K | triathlon | Hokes Bluff, AL |
| 11355 | 26 Apr 26 | 2026 Bluemont Station Brewery & Winery 5k | 5K | Bluemont, VA |