| 18 Nov 2023 |
Dead Horse Ultra (50K|30K|50 Miler) |
Moab, Utah, United States |
| 18 Nov 2023 |
Dinosaur Valley Endurance Run (100 Miler) |
Somervell County, Texas, United States |
| 24-26 Nov 2023 |
Ultra Trail Cape Town (UTCT|PT55|TM35|EX23|UT100) |
Cape Town, Western Cape, South Africa |
| 25 Nov 2023 |
Quad Dipsea (28.4 Miler) |
Mill Valley, California, United States |
| 25 Nov 2023 |
SISU 24 (Monrovia Peak Towers (orange polka dot)|Mt. Bliss (red checkered)|Clamshell Peak (pink polka dot)|Deer Park Lodge (green)) |
Monrovia, California, United States |
| 01 Dec 2023 |
Blood Rock (100 Miler) |
Pelham, Alabama, United States |
| 02 Dec 2023 |
Wild in the Woods (Course Monitors and Aid Station Locations|5 Mile) |
Defiance, Missouri, United States |
| 02 Dec 2023 |
Anza Borrego Cuyamaca 50 (ABC 50) (50 Miler) |
Harrison Park, California, United States |
| 02 Dec 2023 |
Santa Monica Venice Christmas Run (5k|10k) |
Santa Monica, California, United States |
| 02 Dec 2023 |
Ray Miller 50/50 (30K|50 Miler|50K) |
Malibu, California, United States |
| 02 Dec 2023 |
Devil Dog Ultras (100-Mile) |
Belfair Crossroads, Virginia, United States |
| 02 Dec 2023 |
McDowell Mountain Frenzy (50 Miler|50K) |
Fountain Hills, Arizona, United States |
| 02 Dec 2023 |
San Joaquin River Trail Runs (100K|50K) |
Friant, California, United States |
| 03 Dec 2023 |
California International Marathon (CIM) (Marathon) |
Sacramento, California, United States |
| 09 Dec 2023 |
Daytona 100 (100 Miler) |
Duval County, Florida, United States |
| 09 Dec 2023 |
Over the Hill Track Club High Desert (30K|50K) |
Ridgecrest, California, United States |
| 9-10 Dec 2023 |
Rocket City Marathon Race Weekend (5K|10K|Marathon|Front Half-Marathon|Back Half-Marathon) |
Huntsville, Alabama, United States |
| 09 Dec 2023 |
Hitchcock Experience (100 Miler) |
Honey Creek, Iowa, United States |
| 10 Dec 2023 |
Tucson Marathon (Marathon) |
Tucson, Arizona, United States |
| 10 Dec 2023 |
Santa to the Sea (Half Marathon) |
Oxnard, California, United States |