| 12706 | 23 Aug 26 | 2026 Boston Triathlon | triathlon | Boston, MA |
| 12707 | 25 Apr 26 | 2026 Booking It Through the Bluff Triathlon & 10K | triathlon | Hokes Bluff, AL |
| 12708 | 12 Apr 26 | 2026 Book Bounce 5k/10k | 10K/5K | Arlington, VA |
| 12709 | 26 Apr 26 | 2026 Bluemont Station Brewery & Winery 5k | 5K | Bluemont, VA |
| 12710 | 09 May 26 | 2026 Block Island Shad Bloom 10 K Trail Run | 10K | Block Island, RI |
| 12711 | 11 Oct 26 | 2026 Block Island Half Marathon | Half Marathon | Block Island, RI |
| 12712 | 25 Jul 26 | 2026 Black Squirrel Scurry Triathlon | triathlon | Merrill, WI |
| 12713 | 27 Nov 26 | 2026 Black Friday 5k/10k | 10K/5K | Herndon, VA |
| 12714 | 20 Jun 26 | 2026 Black Butte Triathlon | triathlon | Corning, CA |
| 12715 | 12 Apr 26 | 2026 Bill Bone OLYMPIC Triathlon | triathlon | West Palm Beach, FL |
| 12716 | 07 Jun 26 | 2026 Best in the West Triathlon Festival - Sunday Events | triathlon | Foster, OR |
| 12717 | 06 Jun 26 | 2026 Best in the West Triathlon Festival - Saturday Events | triathlon | Foster, OR |
| 12718 | 18 Apr 26 | 2026 BENGAL TRIATHLON (+Du & 5K) | 5K | Pocatello, ID |
| 12719 | 18 Apr 26 | 2026 Belews Lake Sprint Triathlon | triathlon | Stokesdale, NC |
| 12720 | 25 Apr 26 | 2026 Beaverdam Olympic & Sprint Triathlon | triathlon | Wake Forest, NC |