| 1441 | 19 Sep 26 | Breakfast Club 5K | 5K | Dacula, GA |
| 1442 | 03 Oct 26 | Breaking Bonds Ministries 5K | 5K | Jackson, MO |
| 1443 | 03 Oct 26 | Breast Cancer Awareness 5K | 5K | Melrose, MA |
| 1444 | 16 Oct 26 | Breast Reconstruction Awareness Close the Loop 5K | 5K | Houston, TX |
| 1445 | 07 Sep 26 | Breathitt County Honey Run | 5K/10K | Jackson, KY |
| 1446 | 26 Sep 26 | Breckenridge Oktoberfest 5K | 5K | Breckenridge, CO |
| 1447 | 10 Oct 26 | Breckenridge Road Marathon | 10K/13.1/1M/26.2/5K | Breckenridge, CO |
| 1448 | 24 Oct 26 | Brecksville Kiwanis Trick-or-Trot | 1M/5K | Brecksville, OH |
| 1449 | 26 Nov 26 | Bremond Turkey Trot | 5K | Bremond, TX |
| 1450 | 26 Sep 26 | Brenda's Brown Bosom Buddies Sistah Strut | run | Birmingham, AL |
| 1451 | 23 May 27 | Brentwood Run | 5K/10K | Los Angeles, CA |
| 1452 | 19 Sep 26 | Brett J Morris Avenger Foundation PTSD and Mental Health Awareness 5K | 5K | Savannah, GA |
| 1453 | 12 Sep 26 | Brett Robinson Alabama Coastal Triathlon | Olympic/Sprint Triathlon/Sprint Triathlon Relay | Gulf Shores, AL |
| 1454 | 29 May 27 | Brevard Classic 5K & 12K | 5K/12K | Brevard, NC |
| 1455 | 06 Feb 27 | Brevard Zoo's Babirusa Boogie 3K | 3K | Melbourne, FL |