| 10306 | 04 Apr 26 | Uniquely Autism | 1M/5K | Port Saint Lucie, FL |
| 10307 | 03 May 26 | Unit 5K | 1M/5K | Normal, IL |
| 10308 | 06 Jun 26 | United PDX 5K | 5K | Tigard, OR |
| 10309 | 25 Apr 26 | United Way 5K on the Runway | 5K | Lynchburg, VA |
| 10310 | 25 Jul 26 | United Way of McPherson County Triathlon | Sprint Triathlon/youth triathlon | McPherson, KS |
| 10311 | 09 May 26 | Unity in Motion 5K | 5K/10K | Brooklyn Center, MN |
| 10312 | 25 May 26 | University City Memorial Day Run | 5K/10K | University, MO |
| 10313 | 11 Apr 26 | University of Charleston Marathon | 5K/13.1M/26.2M | Charleston, WV |
| 10314 | 11 Apr 26 | University of Dayton Department of Physical Therapy Move with PT 5K | 5K | Dayton, OH |
| 10315 | 13 Jun 26 | University of Delaware's Chicken Chase | 1M/5K | Dewey Beach, DE |
| 10316 | 25 Apr 26 | University of Iowa's Ribbon Run 5K | 5K | Iowa, IA |
| 10317 | 18 Apr 26 | University of North Georgia - Fallen Officer Memorial 5K | 5K | Dahlonega, GA |
| 10318 | 18 Jul 26 | University of Okoboji Homecoming Races | 5K/10K/13.1M | Okoboji, IA |
| 10319 | 25 Jul 26 | University Place Twisted Cider 5K, 12K & 1K | 5K/12K | University Place, WA |
| 10320 | 25 Apr 26 | Unleash the SHE - Rochester | 5K/10K | Rochester, MN |