| 27 May 2023 |
Grand Union Canal (145 Miles) |
Birmingham, England, United Kingdom |
| 28 May 2023 |
Saskatchewan Marathon (42.2k|5k|21.1.k|10k) |
Saskatoon, Saskatchewan, Canada |
| 28 May 2023 |
Calgary Marathon (10K|50K|Half Marathon|Kid's Run|5K|Marathon) |
Calgary, Alberta, Canada |
| 02 Jun 2023 |
San Diego 100 (100 Miler) |
Lake Cuyamaca, California, United States |
| 03 Jun 2023 |
REVEL Mt. Hood (Half Marathon|Marathon) |
Portland, Oregon, United States |
| 03 Jun 2023 |
Mohican 100 (100M) |
Loudonville, Ohio, United States |
| 03 Jun 2023 |
Hell Hole Hundred (100M) |
Charleston, South Carolina, United States |
| 03 Jun 2023 |
Scout Mountain Trail Ultras (100 Miler) |
Pocatello, Idaho, United States |
| 03 Jun 2023 |
Loco Race Series (100 Miler) |
Butte Meadows, California, United States |
| 03 Jun 2023 |
Whiting Ranch Trail Races (10k|30k |Half Marathon ) |
Trabuco Canyon, California, United States |
| 03 Jun 2023 |
Old Dominion 100 Mile (100 Miler) |
Fort Valley, Virginia, United States |
| 03 Jun 2023 |
Worlds End Ultramarathon (50k|100k) |
Forksville, Pennsylvania, United States |
| 09 Jun 2023 |
Warhammer 100 (100 Miler) |
Slade, Kentucky, United States |
| 09 Jun 2023 |
SAMO 100 Mile/100k (100 Miler|100k) |
Malibu, California, United States |
| 10 Jun 2023 |
Kettle Moraine 100 Endurance Run (100K|100 Miler) |
Whitewater, Wisconsin, United States |
| 10 Jun 2023 |
South Downs Way 100 (100 Miles) |
Winchester, England, United Kingdom |
| 10 Jun 2023 |
River of No Return (53k) |
Challis City Park, Idaho, United States |
| 10 Jun 2023 |
Mountain to Meadow (Half Marathon|10k) |
Lolo, Montana, United States |
| 10 Jun 2023 |
Holcolm Valley Trail Run (7 Miles|33 Miles|15 Miles) |
Minnelusa, California, United States |
| 10 Jun 2023 |
Warhammer 100 (100 Miler) |
Slade, Kentucky, United States |