| 10426 | 22 Aug 26 | 2026 Buster Britton Memorial Triathlon | triathlon | Pelham, AL |
| 10427 | 25 Jul 26 | 2026 Burley Spudman Triathlon | triathlon | Burley, ID |
| 10428 | 26 Nov 26 | 2026 Burke Lake Turkey Trot 5k/10k | 10K/5K | Fairfax Station, VA |
| 10429 | 24 Dec 26 | 2026 Burke Christmas Eve 5k/10k | 10K/5K | Fairfax, VA |
| 10430 | 21 Nov 26 | 2026 Bunnyman Turkey Trot 5k/10k | 10K/5K | Lorton, VA |
| 10431 | 04 Jul 26 | 2026 Bunnyman Fireworks 5k/10k | 10K/5K | Lorton, VA |
| 10432 | 07 Jun 26 | 2026 Buffalo Graniteman Triathlon | triathlon | Buffalo, MN |
| 10433 | 14 Nov 26 | 2026 Budds Creek Turkey Trot 5k/10k/Half | 10K/13.1/5K | Mechanicsville, MD |
| 10434 | 04 Oct 26 | 2026 Bucktown 5K and Kids' Run | 5K | Chicago, IL |
| 10435 | 10 May 26 | 2026 Brunch Run Sacramento | 1K/5K | Lodi, CA |
| 10436 | 06 May 26 | 2026 Brick Endurance Summer Triathlon Series #1 | triathlon | Durham, NC |
| 10437 | 12 Sep 26 | 2026 Brett-Robinson Alabama Coastal Triathlon ~ Results | triathlon | Gulf Shores, AL |
| 10438 | 21 Jun 26 | 2026 Bozeman Triathlon | triathlon | Bozeman, MT |
| 10439 | 26 Dec 26 | 2026 Boxing Day 5k/10k | 10K/5K | Annandale, VA |
| 10440 | 28 Jun 26 | 2026 Boulder Sunrise Triathlon | triathlon | Boulder, CO |