| 01/03/2020 | Ultra Caballo Blanco Copper Canyon Ultra | Urique, MEX (Mexico) |
| 01/03/2020 | Cowtown Ultra | Fort Worth, TX (United States) |
| 01/03/2020 | Merck Forest Snowshoe Ultra | Rupert, VT (United States) |
| 06/03/2020 | San Diego Pirate's Cove 12/24 Hour Run/Walk | Cuyamaca Lake, CA (United States) |
| 06/03/2020 | Conquer The Wall Endurance Challenge - 47HR & 35HR | Williamson, WV (United States) |
| 07/03/2020 | Way Too Cool | Cool, CA (United States) |
| 07/03/2020 | Red Mountain | St George, UT (United States) |
| 07/03/2020 | Prickly Pear | San Antonio, TX (United States) |
| 07/03/2020 | Carl Touchstone Memorial Mississippi Trail 50 | Laurel, MS (United States) |
| 07/03/2020 | Delano Park | Decatur, AL (United States) |
| 07/03/2020 | Mesquite Canyon | Waddell, AZ (United States) |
| 07/03/2020 | Long Play Race | Brooksville, FL (United States) |
| 07/03/2020 | Cross Florida Route 40 Romp | Yankeetown, FL (United States) |
| 07/03/2020 | Foothills Ultra (Conquer the Rock) | Pickens, SC (United States) |
| 07/03/2020 | Trail Trashed Ultra | Las Vegas, NV (United States) |
| 07/03/2020 | Ozark Highlands Endurance Run | Norfork, AR (United States) |
| 07/03/2020 | Austin Taylor Challenge Trail Run Series | Conyers, GA (United States) |
| 07/03/2020 | Chanoko | Rocklin, CA (United States) |
| 07/03/2020 | The Endurance Trials | Festus, MO (United States) |
| 07/03/2020 | No Man's 50K | Triangle, VA (United States) |
| 07/03/2020 | AlfaDog 40 mile + 25K | Pretty Prairie, KS (United States) |
| 07/03/2020 | Almost 9 Miler | Moncks Corner, SC (United States) |
| 07/03/2020 | Siuslaw Dunes | Florence, OR (United States) |
| 07/03/2020 | March Maniac 11 hour Endurance Run | Williamsburg, VA (United States) |
| 07/03/2020 | Dirty Duo | North Vancouver, BC CAN (Liberia) |
| 12/03/2020 | Howard Aslinger Memorial Endurance Run | Cape Girardeau, MO (United States) |
| 14/03/2020 | Land between the Lakes | Grand Rivers, KY (United States) |
| 14/03/2020 | Bel Monte | Waynesboro, VA (United States) |
| 14/03/2020 | Elizabeth's Furnace | Fort Valley, VA (United States) |
| 14/03/2020 | Folsom Lake South Side Trail Run | Folsom, CA (United States) |
| 14/03/2020 | Everglades Ultras | Copeland, FL (United States) |
| 14/03/2020 | Marin Ultra Challenge | Sausalito, CA (United States) |
| 14/03/2020 | Music City Trail Ultra | Pegram, TN (United States) |
| 14/03/2020 | Old West Trail Runs | Julian, CA (United States) |
| 14/03/2020 | Pioneer Spirit 50 | Folsom, CA (United States) |
| 14/03/2020 | Angry Tortoise 25K/50K | Bryceville, FL (United States) |
| 14/03/2020 | Peyton's Wild and Wacky Ultra 10x5K | Mount Pleasant, SC (United States) |
| 14/03/2020 | Land Run | Stillwater, OK (United States) |
| 14/03/2020 | Wicked Root | Gastonia, NC (United States) |
| 14/03/2020 | Yeti 7/11 Hour Endurance Challenge | Lithia Springs, GA (United States) |