| 04/04/2020 | American River | Folsom, CA (United States) |
| 04/04/2020 | Bull Run Run | Clifton, VA (United States) |
| 04/04/2020 | Croom Trail | Brooksville, FL (United States) |
| 04/04/2020 | Hells Hills | Smithville, TX (United States) |
| 04/04/2020 | Shotgun Trail Blast | Marcola, OR (United States) |
| 04/04/2020 | Maria's Spring Fliing | Kennesaw, GA (United States) |
| 04/04/2020 | Yamacraw | Stearns, KY (United States) |
| 04/04/2020 | Runamuck 50k | Windsor, VT (United States) |
| 04/04/2020 | Circular Logic Marathon and Endurance Event | West Lafayette, IN (United States) |
| 04/04/2020 | NK50K | Greenbush, WI (United States) |
| 04/04/2020 | Wallace Falls Trail Run | Gold Bar, WA (United States) |
| 04/04/2020 | Runs With Scissors Races | Brighton, CO (United States) |
| 04/04/2020 | Trap Trail 24 | Evergreen, AL (United States) |
| 04/04/2020 | Virginia Capital Trail Tap to Tap 50 Mile Ultra-marathon | Williamsburg, VA (United States) |
| 04/04/2020 | Ancient Lakes Trail Run | Quincy, WA (United States) |
| 04/04/2020 | Big Bloops Ultra | Palo Alto, CA (United States) |
| 05/04/2020 | Mountains to Sea Challenge | Raleigh, NC (United States) |
| 05/04/2020 | PAUMANOK PURSUIT 70K RUN & RELAY | Rocky Point, NY (United States) |
| 05/04/2020 | Woodside/Purisima Creek Crossover | Woodside, CA (United States) |
| 05/04/2020 | Merced Canyon Endurance Runs | Briceburg, CA (United States) |
| 05/04/2020 | Long Creek 60k | Virginia Beach, VA (United States) |
| 10/04/2020 | Sisyphus Ultra Challenge | Hemet, CA (United States) |
| 11/04/2020 | Diez Vista | Port Moody, BC CAN (Liberia) |
| 11/04/2020 | Lake Sonoma | Healdsburg, CA (United States) |
| 11/04/2020 | Diablo Trails Challenge | Walnut Creek, CA (United States) |
| 11/04/2020 | Fools 50k & 25k Trail Run | Peninsula, OH (United States) |
| 11/04/2020 | Oriflamme | Julian, CA (United States) |
| 11/04/2020 | Rattler Trail Race | Colorado Springs, CO (United States) |
| 11/04/2020 | Eagleton Trail Challenge | Lock Haven, PA (United States) |
| 11/04/2020 | Mt. Toby Ultra | Sunderland, MA (United States) |
| 11/04/2020 | Cooter Creek 50 Mile Trail Race | McClellanville, SC (United States) |
| 12/04/2020 | Redwood Trail Run (Spring) | Oakland, CA (United States) |
| 16/04/2020 | Olde 96er 200 Mile Ultra | Wellsville, OH (United States) |
| 17/04/2020 | Soul Survivor | Albany, GA (United States) |
| 18/04/2020 | Trail Mix | Rockford, MN (United States) |
| 18/04/2020 | Desert Rats Trail Running Festival | Fruita, CO (United States) |
| 18/04/2020 | Double Chubb | St Louis, MO (United States) |
| 18/04/2020 | 24 Hour - Adventure Trail | Triangle, VA (United States) |
| 18/04/2020 | Forget the PR Mohican 50k and 25k | Loudonville, OH (United States) |
| 18/04/2020 | SweetH2O | Lithia Springs, GA (United States) |