| 3181 | 10 May 26 | Run This Mother Half Marathon and 5K | 5K/13.1M | San Antonio, TX |
| 3182 | 10 May 26 | Mother's Day 5K/10K/1M | 1M/5K/10K | Fredericksburg, VA |
| 3183 | 10 May 26 | Milwaukee Mother's Day Half Marathon, 10K, & 5K | 1M/5K/10K/13.1M | Milwaukee, WI |
| 3184 | 10 May 26 | WeCare 5K | 5K | Brookfield, CT |
| 3185 | 10 May 26 | Happy Mothers Day 5k, 10k, 15k, Half Marathon | 5K/10K/15K | Van Nuys, CA |
| 3186 | 10 May 26 | 2026 Mighty Mother's Day Duathlon & Time Trial | triathlon | East Islip, NY |
| 3187 | 10 May 26 | 2026 Jerseyman Triathlon | triathlon | Lebanon, NJ |
| 3188 | 10 May 26 | Healthy Kids Running Series - Tewksbury | kids run | Tewksbury, MA |
| 3189 | 10 May 26 | JerseyMan Tri | Olympic/Sprint Duathlon/Sprint Triathlon | Lebanon, NJ |
| 3190 | 10 May 26 | Breakup Duathlon | Sprint Duathlon | Fairbanks, AK |
| 3191 | 10 May 26 | Silicon Valley Kids Triathlon | youth triathlon | San Jose, CA |
| 3192 | 10 May 26 | Marshall Mountain Revival Trail Runs | 5M/25K | Missoula, MT |
| 3193 | 10 May 26 | Moms on the Run 5K | 5K | Dover, NH |
| 3194 | 10 May 26 | Run The Hook 5K/10K | 5K/10K | Sandy Hook, NJ |
| 3195 | 10 May 26 | Cedar River Triathlon | Sprint Triathlon | Maple Valley, WA |