| 04 Apr 2020 |
Brazos Bend (50K|25K|50 Miler) |
Needville, Texas, United States |
| 4-25 Apr 2020 |
Leona Divide 50/50 (30K|100K|50K|50 Miler) |
Lake Hughes, California, United States |
| 04 Apr 2020 |
Iron Furnace Trail Run (4.5 Mile|Half Marathon) |
Mcarthur, Ohio, 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 |
Potowatomi (50 Miler) |
Pekin, Illinois, United States |
| 04 Apr 2020 |
Umstead 100 (100 Miles) |
Raleigh, North Carolina, United States |
| 05 Apr 2020 |
Woodside/Purisima Creek Crossover (35K|50K) |
Redwood City, California, United States |
| 05 Apr 2020 |
Reno Connector Run (10K) |
Reno, Nevada, United States |
| 10 Apr 2020 |
Zumbro Endurance Run (100 Miler) |
Theilman, Minnesota, United States |
| 11 Apr 2020 |
Rattler Trail Races (25K|10K) |
Colorado Springs, Colorado, United States |
| 11 Apr 2020 |
Harbison 100 (100 Miler) |
Columbia, South Carolina, United States |
| 11 Apr 2020 |
Silver Moon Race (100 Miles) |
Fresno County, California, United States |
| 11 Apr 2020 |
Ahmanson Trails (18k|12k|6k) |
Ventura County, California, United States |
| 11 Apr 2020 |
Lake Sonoma 50 (50 Miler) |
Healdsburg, California, United States |
| 11 Apr 2020 |
Silver Moon Race (6-Hours|12-Hours|24-Hours|100-Miles) |
Reedley, California, United States |
| 11 Apr - 10 Oct 2020 |
Peru100 (100 Miler|test|LakeBed Park 2.3 Mile Loop|Virtual Oriflamme50K Wet Version|Insane 3-Mile Loop|Alum Rock Park) |
Llamac, Ancash, Peru |
| 11 Apr 2020 |
Breakneck Point Trail Runs (21K|42K) |
Beacon, New York, United States |
| 11 Apr 2020 |
Diez Vista (50k) |
Port Moody, British Columbia, Canada |
| 11-18 Apr 2020 |
Whiskey Basin Trail Runs (31k|57k|88K) |
Prescott, Arizona, United States |
| 17 Apr 2020 |
Double Top 100 Stone Anvil (100 Miler) |
Hasslers Mill, Georgia, United States |
| 18 Apr 2020 |
Northern Traverse (190 Miles) |
Copeland, England, United Kingdom |
| 18 Apr 2020 |
Zion Ultras (Half Marathon|100 Mile|50 K|100 K) |
Virgin, Utah, United States |
| 18 Apr 2020 |
Mad City Ultras (50k|100k) |
Madison, Wisconsin, United States |
| 18 Apr 2020 |
Hyner Trail Challenge (50K|25K) |
Hyner, Pennsylvania, United States |
| 18 Apr 2020 |
Yakima Skyline Rim 50k (50K) |
Ellensburg, Washington, United States |
| 19 Apr 2020 |
Vancouver Sun Run (10 K) |
Vancouver, British Columbia, Canada |
| 20 Apr 2020 |
Boston Marathon (Marathon) |
Boston, Massachusetts, United States |
| 24 Apr 2020 |
Knock on Wood Ultra Series (100 Miles) |
Lima, South Carolina, United States |
| 24 Apr 2020 |
Ultra Trail Mt. Fuji (100 Miler) |
Fuji-shi, Shizuoka, Japan |
| 25 Apr 2020 |
The Canyons Endurance Runs (50k|100K) |
Foresthill, California, United States |
| 25 Apr 2020 |
Zane Grey (100k) |
Pine, Arizona, United States |
| 25 Apr 2020 |
C&O Canal 100 (100 Miles) |
Water Acres, Maryland, United States |
| 25 Apr 2020 |
Arts Run (Kids Dash|10K|5K) |
Santa Clarita, California, United States |
| 26 Apr 2020 |
Big Sur International Marathon (Marathon) |
Big Sur, California, United States |
| 26 Apr 2020 |
Tillamook Burn Trail Run (50K) |
Tillamook State Forest, Oregon, United States |
| 26 Apr 2020 |
Leatherman's Loop (10k) |
Ward Pound Ridge Reservation, New York, United States |
| 26 Apr 2020 |
Peterson Ridge Rumble (40 Miler|20 Miler) |
Sisters, Oregon, United States |
| 01 May 2020 |
Salt Flats Endurance Runs (50 Miler|100 Miler) |
Wendover, Utah, United States |
| 02 May 2020 |
Collegiate Peaks Trail Run (25 Miler|50 Miler) |
Buena Vista, Colorado, United States |
| 02 May 2020 |
Miwok 100k (100k) |
Stinson Beach, California, United States |
| 02 May 2020 |
Thames Path 100 (100 Miles) |
London, England, United Kingdom |
| 02 May 2020 |
Lost Lake (25K|50K) |
Bellingham, Washington, United States |
| 2-3 May 2020 |
Dragon Coastal Races (100 Miles|50 Miles) |
Kenfig, Wales, United Kingdom |
| 03 May 2020 |
Verdugo Mountains 10k (10k) |
Glendale, California, United States |
| 03 May 2020 |
BMO Vancouver Marathon (Half Marathon|Marathon) |
Vancouver, British Columbia, Canada |
| 03 May 2020 |
Volkswagen Prague Marathon (Marathon) |
Prague, PR, Czechia |
| 8-9 May 2020 |
Thunderbunny Trail Races (50K|12K|25K+) |
Athens, Ohio, United States |
| 09 May 2020 |
Peak Bloodroot Ultra (50 Miles) |
Pittsfield, Vermont, United States |
| 09 May 2020 |
Ice Age Trail Endurance Runs (Half Marathon|50k|50 Miler) |
La Grange, Wisconsin, United States |
| 09 May 2020 |
Whoo's in El Moro (25K|50K) |
Newport Beach, California, United States |
| 09 May 2020 |
Riverlands 100 (100 Miler) |
Auburn Plains, Maine, United States |
| 09 May 2020 |
Quad Rock 50 (25 Miler|50 Miler) |
Fort Collins, Colorado, United States |
| 09 May 2020 |
Quicksilver (100K|50K) |
San Jose, California, United States |
| 09 May 2020 |
Yosemite Half Marathon (Half Marathon) |
Yosemite National Park, California, United States |
| 15 May 2020 |
Cruel Jewel 100 (100 Miler) |
Blairesville, Georgia, United States |
| 15 May 2020 |
Devon Coast to Coast (117 Miles) |
South Hams, England, United Kingdom |
| 15 May 2020 |
Rebellion Summer (135 Miles|75 Miles) |
Knighton, Wales, United Kingdom |
| 16 May 2020 |
Massanutten Mountain Trails 100 (100 Miler) |
Kings Crossing, Virginia, United States |
| 16 May - 15 Aug 2020 |
Swiss Alps 100 (160KM|Virtual Swiss Alps 800|50KM|100KM|Virtual Swiss Alps 400) |
Gluringen, Valais, Switzerland |
| 16 May 2020 |
Run Sunset Beach (Half Marathon|5K) |
Sunset Beach, North Carolina, United States |
| 16 May 2020 |
Sun Mountain (50K) |
Winthrop, Washington, United States |
| 16 May 2020 |
North Downs Way 50 (50 Miles) |
Waverley, England, United Kingdom |
| 16-17 May 2020 |
Smith Rock Ascent (50K|4 Miler|15 Miler) |
Terrebonne, Oregon, United States |
| 16 May 2020 |
Keys 100 (100 Miles) |
Newport, Florida, United States |
| 16 May 2020 |
Tyne Trail South (70k) |
Eden, England, United Kingdom |
| 16 May 2020 |
Ultra-Trail Austrailia (100k|50k) |
Katoomba, New South Wales, Australia |
| 16 May 2020 |
Quest for the Crest Trail Races (50K) |
Burnsville, North Carolina, United States |
| 16 May 2020 |
PCT 50 (50 Miler) |
Cleveland National Forest, California, United States |
| 16 May 2020 |
Born to Run (100 Miler) |
Santa Ynez, California, United States |
| 17 May 2020 |
Ohlone (50K) |
Fremont, California, United States |
| 23-25 May 2020 |
Stumptown Trail Runs (1/2 Marathon|50K) |
Portland, Oregon, United States |
| 23 May 2020 |
Nanny Goat 100 (100 Miler) |
Riverside, California, United States |
| 23 May 2020 |
Pigtails Challenge (100 Miler) |
King County, Washington, United States |
| 23 May 2020 |
Survival of the Fittest 35k (35k) |
Squamish, British Columbia, Canada |
| 23 May 2020 |
Grand Union Canal (145 Miles) |
Birmingham, England, United Kingdom |
| 23 May 2020 |
Survival of the Fittest 18k (18k) |
Squamish, British Columbia, Canada |
| 23 May 2020 |
Jemez Mountain (15 Miler|50 Miler|50K) |
Los Alamos, New Mexico, United States |
| 23 May 2020 |
Booneville Backroads Ultra (100 Miler) |
Waukee, Iowa, United States |
| 23 May 2020 |
Sulphur Springs Trail Race (100 Miles) |
Hamilton, Ontario, Canada |
| 23 May 2020 |
Zegama-Aizkorri (Marathon) |
Zegama, Basque Country, Spain |
| 24 May 2020 |
Mountains 2 Beach (Marathon|Half-Marathon) |
Ojai, California, United States |
| 29 May 2020 |
Infinitus (100 Miles) |
Goshen, Vermont, United States |
| 29 May 2020 |
Badger Mountain Challenge (50 Miler|100 Miler) |
Richland, Washington, United States |
| 30 May 2020 |
Worlds End Ultramarathon (100k|50k) |
Forksville, Pennsylvania, United States |
| 30 May 2020 |
Chester Ultra 100 (100 Miles) |
Waverton, England, United Kingdom |
| 30 May 2020 |
Hood to Coast (Relay) |
Mt. Hood, Oregon, United States |
| 30 May 2020 |
Golden Gate Dirty 30 (50k|12 Miler) |
Black Hawk, Colorado, United States |
| 30 May 2020 |
Bishop High Sierra Ultras (50K|50 Miler|100K) |
Bishop, California, United States |
| 30 May 2020 |
Hell Hole Hundred (100 Miler) |
Charleston, South Carolina, United States |
| 30 May 2020 |
Bryce Canyon Ultras (100 Miler|50 Miler|50k) |
Bryce Canyon, Utah, United States |
| 30 May 2020 |
quaRUNtine 2020 (13.1|26.2|5K|10K) |
Holland, Michigan, United States |
| 30 May 2020 |
Lighthouse 100 (100 Miler) |
Petoskey, Michigan, United States |
| 31 May 2020 |
Burning River (100 Miler) |
Cuyahoga Falls, Ohio, United States |
| 05 Jun 2020 |
Scout Mountain Trail Ultras (100 Miler) |
Pocatello, Idaho, United States |
| 05 Jun 2020 |
San Diego 100 (100 Miler) |
Lake Cuyamaca, California, United States |
| 06 Jun 2020 |
Bear Mountain (12 km|8 km|21 km and 21 km Relay) |
Mission, British Columbia, Canada |
| 06 Jun 2020 |
Valley Crest (Half Marathon) |
Tarzana, California, United States |
| 06 Jun 2020 |
North Central PA Marathon Race Series (26.2|13.1) |
Galeton, Pennsylvania, United States |
| 06 Jun 2020 |
Loco Race Series (100 Miler) |
Butte Meadows, California, United States |