| 6916 | 18 Apr 26 | Ormond Beach Police Athletic League Donut Dash 5K | 5K | Ormond Beach, FL |
| 6917 | 07 Mar 26 | Tomoka Brave, Strong & Healthy 5K | 5K | Ormond Beach, FL |
| 6918 | 08 Mar 26 | Arizona Distance Classic Half Marathon, Quarter Marathon | 5K/6.6M/13.1M | Oro Valley, AZ |
| 6919 | 14 Mar 26 | Oro Valley Triathlon and Duathlon Festival | Sprint Duathlon/Sprint Triathlon/Sprint Triathlon Relay | Oro Valley, AZ |
| 6920 | 01 Jan 26 | Hot Cocoa 5K | 5K | Oro Valley, AZ |
| 6921 | 14 Mar 26 | 2026 Oro Valley Triathlon & Duathlon Festival | triathlon | Oro Valley, AZ |
| 6922 | 13 Jun 26 | Dylan's Dash 5K | 5K | Orrville, OH |
| 6923 | 07 Mar 26 | Whobilation 5K | 5K | Osage Beach, MO |
| 6924 | 04 Apr 26 | COMC Pacing For Patients 5K Color Run | 5K | Osage Beach, MO |
| 6925 | 25 Apr 26 | Oshkosh Half Marathon | 4M/13.1M | Oshkosh, WI |
| 6926 | 02 May 26 | NAMI Oshkosh 5K for Mental Health and Suicide Awareness | 5K | Oshkosh, WI |
| 6927 | 11 Apr 26 | Run Away To the Bay | 55M | Oshkosh, WI |
| 6928 | 28 Mar 26 | A Pot of Gold Shared Half Marathon | 5K/13.1M | Oskaloosa, IA |
| 6929 | 24 Jan 26 | Scrub Jay Races | 5K/10K | Osprey, FL |
| 6930 | 03 May 26 | I Raced The Law | 5K | Oswego, IL |