| 27 Feb 2021 |
Mt. Mitchell Challenge & Black Mountain Marathon (Marathon|40 Miler) |
Black Mountain, North Carolina, United States |
| 06 Mar 2021 |
Singletrack Stampede (22K|42K) |
Calabasas, California, United States |
| 06 Mar 2021 |
The Ranch 50k (50k|1/2 Marathon) |
Escondido, California, United States |
| 06 Mar 2021 |
Elder Creek Trail Runs 50m/100k/100m/24hrs (100 mile (24 hour)|100k|50 mile|30k|50k) |
Riverside County, California, United States |
| 06 Mar 2021 |
Mesquite Canyon Trail Runs (1/2 Marathon|50K|30K|50 Miler|8K) |
Waddell, Arizona, United States |
| 07 Mar 2021 |
Napa Valley Marathon & Half (Marathon) |
Napa Valley, California, United States |
| 08 Mar 2021 |
Leatherman's Loop (10k) |
Ward Pound Ridge Reservation, New York, United States |
| 10 Mar 2021 |
San Diego Half Marathon (Half Marathon) |
San Diego, California, United States |
| 13 Mar 2021 |
Cactus Rose Ultra (100 Miles) |
Bandera County, Texas, United States |
| 13 Mar 2021 |
Sean O'Brien 100K/50M (100K|50 Miler) |
Calabasas, California, United States |
| 13 Mar 2021 |
Seneca Creek Greenway Trail Marathon, 50K & Relay (50k) |
Gaithersburg, Maryland, United States |
| 20 Mar 2021 |
Golden Gate Headlands (Half Marathon|Marathon) |
Sausalito, California, United States |
| 20 Mar 2021 |
Lake Martin 100 (50 Miler|100 Miler) |
Tallapoosa County, Alabama, United States |
| 20 Mar 2021 |
Trail Running Mallorca: Crossing the Tramuntana (Multi-Stage) |
Calvià , Balears Province, Spain |
| 20 Mar 2021 |
END-SURE (100 Miler) |
Power, North Dakota, United States |
| 20 Mar 2021 |
Ohio's Backyard Ultra (Last Person Standing - Night Course|Last Person Standing|Last Person Standing - Day Course) |
Lucasville, Ohio, United States |
| 20 Mar 2021 |
Northburn 100 (100 Miles) |
Pisa Moorings, Auckland, New Zealand |
| 21 Mar 2021 |
Tyger Run/Walk (10km) |
Tyger Valley, Western Cape, South Africa |
| 21 Mar 2021 |
Los Angeles Marathon (Marathon) |
Los Angeles, California, United States |
| 21 Mar 2021 |
Chuckanut 50k (50k) |
Bellingham, Washington, United States |