| 4546 | 10 May 26 | Colorado Women's Classic 10 Miler | 10K/10M/5K | Westminster, CO |
| 4547 | 10 May 26 | 2026 Mother's Day 5k/10k/1M | 10K/1M/5K | Fredericksburg, VA |
| 4548 | 10 May 26 | 2026 Folsom Lake Sprint & Super Sprint Triathlon - Sunday | triathlon | Granite Bay, CA |
| 4549 | 10 May 26 | 2026 DC Mother's Day 5k/10k | 10K/5K | Washington, DC |
| 4550 | 10 May 26 | Folsom Lake Triathlons | Sprint/supersprint triathlon | Granite Bay, CA |
| 4551 | 10 May 26 | Liberty Station Half/Full Marathon Relay, Solo Half & 5K Runs | 5K/13.1M/26.2M | San Diego, CA |
| 4552 | 10 May 26 | Colorado Women's Classic - Westminster | 5K/10K | Westminster, CO |
| 4553 | 10 May 26 | Fruita Trail Half | 13.1M | Fruita, CO |
| 4554 | 10 May 26 | Hometown Half Marathon | 1M/5K/10K/13.1M | Denver, CO |
| 4555 | 10 May 26 | DC Mother's Day 5K & 10K | 5K/10K | Washington, DC |
| 4556 | 10 May 26 | Tricia Davis 5K | 5K | Washington, DC |
| 4557 | 10 May 26 | Dream Finders Homes Mother's Day 5K | 5K | Winter Garden, FL |
| 4558 | 10 May 26 | Mothers Day 5K & 5 Miler | 5K | Davie, FL |
| 4559 | 10 May 26 | USA Beach Running Championships | 5K/10K/15K | Cocoa Beach, FL |
| 4560 | 10 May 26 | Barrington Mother's Day 5K | 5K | Barrington, IL |