| 04 Jan 2020 |
La Cuesta Ranch Trail Run (50K|25K) |
San Luis Obispo, California, United States |
| 11 Jan 2020 |
Sean O'Brien 50k/26.2/30k (50k|30K|26.2) |
Malibu, California, United States |
| 11 Jan 2020 |
Avalon 50k/50m (50K|50 Miler) |
Avalon, California, United States |
| 11 Jan 2020 |
Southern California Half Marathon & 5k (5k) |
Irvine, California, United States |
| 11 Jan 2020 |
Bandera Endurance Run (100k|50k) |
Bandera, Texas, United States |
| 12 Jan 2020 |
Xterra Boney Mountain (6k|21k) |
Newbury Park, California, United States |
| 18 Jan 2020 |
Frozen H3 (100 Miler) |
Charleston, South Carolina, United States |
| 18 Jan 2020 |
Long Haul 100 (100 Miler) |
Ehren, Florida, United States |
| 18 Jan 2020 |
Coldwater Rumble (100 Miler|52K) |
Goodyear, Arizona, United States |
| 18 Jan 2020 |
HURT 100 (HURT 100 Miler) |
Honolulu, Hawaii, United States |
| 19 Jan 2020 |
Chevron Houston Marathon (Marathon) |
Houston, Texas, United States |
| 19 Jan 2020 |
Carlsbad Full & Half Marathon (Half Marathon) |
Carlsbad, California, United States |
| 19 Jan 2020 |
Fins, Flippers, & Fun 5K (5K) |
Ventura, California, United States |
| 25 Jan 2020 |
Paramount Ranch Trail Runs (10K|30K|Marathon|50K|1/2 Marathon) |
Los Angeles, California, United States |
| 25 Jan 2020 |
Winter Wychavon Way (40 Miles) |
Wychavon, England, United Kingdom |
| 25 Jan 2020 |
AZT Oracle Rumble (1/2 Marathon|50K) |
Oracle, Arizona, United States |
| 26 Jan 2020 |
Calico Trail Run (50k) |
San Bernardino County, California, United States |
| 27 Jan 2020 |
Arrowhead 135 (135M Veteran) |
International Falls, Minnesota, United States |
| 31 Jan 2020 |
Arc of Attrition (100 Miles) |
Coverack, England, United Kingdom |
| 01 Feb 2020 |
Ordnance 100K (100 KM) |
Salinas, California, United States |
| 01 Feb 2020 |
Orcas Island 50k (50K) |
Orcas Island, Washington, United States |
| 01 Feb 2020 |
Rocky Roccoon (100 Miles) |
Moore Grove, Texas, United States |
| 02 Feb 2020 |
Redondo Beach Superbowl 10k/5k (5k|10k) |
Redondo Beach, California, United States |
| 02 Feb 2020 |
Surf City USA (Half Marathon|Marathon) |
Huntington Beach, California, United States |
| 07 Feb 2020 |
Grandmaster Ultras (100 Miler) |
Littlefield, Arizona, United States |
| 07 Feb 2020 |
Orcas Island 100 (100 Miler) |
Orcas Island, Washington, United States |
| 08 Feb 2020 |
Tarawera Ultramarathon (100 Miles|21k|102k|50k) |
Rotorua, Bay of Plenty, New Zealand |
| 08 Feb 2020 |
Beast of Burden (Winter) (100 Miler) |
Lockport, New York, United States |
| 08 Feb 2020 |
Iron Horse (100 Miles) |
Florahome, Florida, United States |
| 08 Feb 2020 |
Death Valley Marathon, Half, & 10K (Half Marathon|Marathon) |
Death Valley, California, United States |
| 08 Feb 2020 |
Sean O'Brien 100K/50M (100K|50 Miler) |
Calabasas, California, United States |
| 14 Feb 2020 |
Actif Epica (162k|200k) |
Ridgeville, Ontario, Canada |
| 15 Feb 2020 |
Susitna 100 (100 Miles) |
Big Lake, Alaska, United States |
| 15-16 Feb 2020 |
FOURmidable (50K|35.5K) |
Auburn, California, United States |
| 15 Feb 2020 |
Black Canyon Ultras (100k|60k) |
Spring Valley, Arizona, United States |
| 15 Feb 2020 |
Outlaw 100 Oklahoma (50 Miler) |
Latimer County, Oklahoma, United States |
| 15 Feb 2020 |
Moab's Red Hot 50+ (55K|33K) |
Moab, Utah, United States |
| 15 Feb 2020 |
Beyond Limits (100 Miler) |
Henderson, Nevada, United States |
| 21 Feb 2020 |
Snowdonia Slate Trail Ultra (90 Miles) |
Abercegin, Wales, United Kingdom |
| 22 Feb 2020 |
Run Ridge Run 13km (13km) |
Port Moody, British Columbia, Canada |
| 22-23 Feb 2020 |
Grit OCR (Claw - 8-Miles|Fang - 5-Miles) |
Santa Clarita, California, United States |
| 22 Feb 2020 |
Run Ridge Run 25km (25km) |
Port Moody, British Columbia, Canada |
| 22 Feb 2020 |
Sycamore Canyon (50 K|100 K) |
Poway, California, United States |
| 23 Feb 2020 |
Anytime Runners 2nd Anniversary Run! (14K) |
Tarzana, California, United States |
| 28 Feb 2020 |
Lake Ouachita Vista Trail (100 Miler) |
Joplin, Arkansas, United States |
| 29 Feb 2020 |
Victory (Half Marathon) |
Richmond, California, United States |
| 29 Feb 2020 |
Salmon Falls 50k (50k) |
Coloma, California, United States |
| 29 Feb 2020 |
Red Dirt Ultra (100 Miler|100k) |
Lotus, Louisiana, United States |
| 29 Feb 2020 |
Mt. Mitchell Challenge & Black Mountain Marathon (Marathon|40 Miler) |
Black Mountain, North Carolina, United States |
| 01 Mar 2020 |
Napa Valley Marathon & Half (Marathon) |
Napa Valley, California, United States |
| 06 Mar 2020 |
Chattanooga 100/50 Mile Races (100 Miler) |
Plum Nelly, Georgia, United States |
| 6-7 Mar 2020 |
TransGranCanaria (125K|42K|82K) |
Agaeta, Las Palmas, Spain |
| 07 Mar 2020 |
Seneca Creek Greenway Trail Marathon, 50K & Relay (50k) |
Gaithersburg, Maryland, United States |
| 07 Mar 2020 |
Mesquite Canyon Trail Runs (Half Marathon|50 K|30 K|50 Miler|8 K) |
Waddell, Arizona, United States |
| 07 Mar 2020 |
Way Too Cool (50K) |
Cool, California, United States |
| 07 Mar 2020 |
Mill Stone 50K (50K) |
Fort Mill, South Carolina, United States |
| 07 Mar 2020 |
Singletrack Stampede (22K|42K) |
Calabasas, California, United States |
| 08 Mar 2020 |
Los Angeles Marathon (Marathon) |
Los Angeles, California, United States |
| 14 Mar 2020 |
Pioneer Spirit (50 Miler) |
Cool, California, United States |
| 14 Mar 2020 |
Griffith Park Trail Marathon (50K|1/2 Marathon|Marathon) |
Los Angeles, California, United States |
| 14 Mar 2020 |
Cap Crusher 12km (12km) |
North Vancouver, British Columbia, Canada |
| 14 Mar 2020 |
Cap Crusher 24km (24km) |
North Vancouver, British Columbia, Canada |
| 14 Mar 2020 |
Antelope Canyon (100 Miler) |
Page, Arizona, United States |
| 14 Mar 2020 |
Chino Hills Run Series Spring (Half-Marathon|10KM) |
Brea, California, United States |
| 14 Mar 2020 |
Ridge Route Ultra (50k) |
Los Angeles County, California, United States |
| 15 Mar 2020 |
San Diego Half Marathon (Half Marathon) |
San Diego, California, United States |
| 20 Mar 2020 |
Antelope Island Buffalo Run (100 Miler) |
Syracuse, Utah, United States |
| 21 Mar 2020 |
Behind the Rocks (30K|50 Miler|50K) |
Moab, Utah, United States |
| 21 Mar 2020 |
Chuckanut 50k (50k) |
Bellingham, Washington, United States |
| 21 Mar 2020 |
Ohio's Backyard Ultra (Last Person Standing - Night Course|Last Person Standing - Day Course|Last Person Standing) |
Lucasville, Ohio, United States |
| 21 Mar 2020 |
END-SURE (100 Miler) |
Power, North Dakota, United States |
| 21 Mar 2020 |
Nine Trails 35 Mile Endurance Run (35 Miler) |
Santa Barbara, California, United States |
| 21 Mar 2020 |
Tyger Run/Walk (10km) |
Tyger Valley, Western Cape, South Africa |
| 21 Mar 2020 |
Northburn 100 (100 Miles) |
Pisa Moorings, Auckland, New Zealand |
| 21 Mar 2020 |
Peace Place 5k (Foliage Festival) (5k) |
Jefferson, Georgia, United States |
| 22 Mar 2020 |
White Mountains 100 (100 Miler Ski) |
Fairbanks, Alaska, United States |
| 27 Mar 2020 |
Badger Mountain Challenge (50 Miler|100 Miler) |
Richland, Washington, United States |
| 27 Mar 2020 |
Greenbrier Ultras (100 Mile Endurance Run) |
Greenbrier, Maryland, United States |
| 27 Mar 2020 |
Dublin to Belfast (173 km) |
Dublin, Leinster, Ireland |
| 28 Mar 2020 |
Great Race of Agoura Hills (Half Marathon|5k) |
Agoura Hills, California, United States |
| 28 Mar 2020 |
Blackbeard's Revenge (100 Miler) |
Corrolla, North Carolina, United States |
| 28 Mar 2020 |
Winter Warrior Finland (Challenge|Warrior Squad / Race Squad) |
Ylläs, LL, Finland |
| 28 Mar 2020 |
Lake Martin 100 (100 Miler|50 Miler) |
Tallapoosa County, Alabama, United States |
| 28 Mar 2020 |
Golden Gate Headlands (Marathon|Half Marathon) |
Sausalito, California, United States |
| 28 Mar 2020 |
Blood, Sweat, & Beers (5k|Half Marathon|50k|30k|Marathon|10k) |
Boulder City, Nevada, United States |
| 28 Mar 2020 |
Prairie Spirit Trail (100 Miler) |
Ottawa, Kansas, United States |
| 28 Mar 2020 |
Crown King Scramble (50K) |
Phoenix, Arizona, United States |
| 28 Mar 2020 |
VALENCIA Trail Race (10K|Half Marathon|50K) |
Valencia, California, United States |
| 28 Mar 2020 |
Old Goat (50k|50 Miles) |
San Juan Hot Springs, California, United States |
| 28 Mar 2020 |
GORTEX Grand Traverse (Grand Traverse) |
Crested Butte, Colorado, United States |
| 28 Mar 2020 |
Georgia's Death Race (68 miler) |
Blairsville, Georgia, United States |
| 29 Mar 2020 |
Encinitas Half Marathon (Half Marathon) |
Encinitas, California, United States |
| 29 Mar 2020 |
Ruck a Chuck 50k (50K) |
Foresthill, California, United States |
| 03 Apr 2020 |
Hellbender 100 (100 Miler) |
Old Fort, North Carolina, United States |
| 04 Apr 2020 |
NJ Ultra Festival (100 Miles) |
Hardwick Center, New Jersey, United States |
| 04 Apr 2020 |
American River (50 Miler) |
Folsom, California, United States |
| 04 Apr 2020 |
Yamacraw (20K|50K) |
Stearns, Kentucky, United States |
| 04 Apr 2020 |
Phantom Trail Races (10 Miler) |
Cornell, California, United States |
| 04 Apr 2020 |
South Downs Way 50 (50 Miles) |
Worthing, England, United Kingdom |
| 4-25 Apr 2020 |
Leona Divide 50/50 (30K|100K|50K|50 Miler) |
Lake Hughes, California, United States |