| 06 Jan 2018 |
La Cuesta Ranch Trail Run (14 Miler|28 Miler) |
San Luis Obispo, California, United States |
| 06 Jan 2018 |
Bandera Endurance Run (50k|100k) |
Bandera, Texas, United States |
| 13 Jan 2018 |
HURT 100 (100 Miler) |
Honolulu, Hawaii, United States |
| 13 Jan 2018 |
Southern California Half Marathon & 5k (5k) |
Irvine, California, United States |
| 20 Jan 2018 |
Avalon 50k/50m (50K|50 Miler) |
Avalon, California, United States |
| 20 Jan 2018 |
Coldwater Rumble (100 Miler|52 K) |
Goodyear, Arizona, United States |
| 21 Jan 2018 |
Xterra Boney Mountain (21k|6k) |
Newbury Park, California, United States |
| 27 Jan 2018 |
AZT Oracle Rumble (Half Marathon|50 K) |
Oracle, Arizona, United States |
| 03 Feb 2018 |
Ordnance 100K (100 KM) |
Salinas, California, United States |
| 03 Feb 2018 |
Sean O'Brien (100k|50 miler|Marathon|50k) |
Calabasas, California, United States |
| 03 Feb 2018 |
Orcas Island 50k (50 K) |
Orcas Island, Washington, United States |
| 04 Feb 2018 |
Redondo Beach Superbowl 10k/5k (5k|10k) |
Redondo Beach, California, United States |
| 09 Feb 2018 |
Orcas Island 100 (100 Mile) |
Orcas Island, Washington, United States |
| 10 Feb 2018 |
Mill Stone 50K (50 K) |
Fort Mill, South Carolina, United States |
| 10 Feb 2018 |
Tarawera Ultramarathon (87k|102k|62k) |
Rotorua, Bay of Plenty, New Zealand |
| 17-18 Feb 2018 |
FOURmidable (50K|35K) |
Auburn, California, United States |
| 17 Feb 2018 |
Moab's Red Hot 50+ (55k|33k) |
Moab, Utah, United States |
| 17 Feb 2018 |
Black Canyon Ultras (100k|60k) |
Spring Valley, Arizona, United States |
| 23-24 Feb 2018 |
TransGranCanaria (125K|42K|82K) |
Agaeta, Las Palmas, Spain |
| 24 Feb 2018 |
Salmon Falls 50k (50k) |
Coloma, California, United States |