| 04 Sep 2021 |
Three Corner Rock PCT 50k (50K) |
Carson, Washington, United States |
| 05 Sep 2021 |
Lake Sonoma 100K (100k) |
Sonoma County, California, United States |
| 06 Sep 2021 |
Mt. Baldy Run to the Top (7 Miler) |
Mt. Baldy, California, United States |
| 10 Sep 2021 |
Tahoe 200 (200 Miler) |
Washoe County, Nevada, United States |
| 10 Sep 2021 |
Laugavegur Marathon (55 K) |
Landmannalaugar, Southern, Iceland |
| 10-12 Sep 2021 |
Ultra-Trail Harricana du Canada (125 km|80 km|65 km|42 km|28 km|20 km|10 km|5 km) |
La Malbaie, Quebec, Canada |
| 10 Sep 2021 |
Superior Fall Trail Race (100 Miles) |
Castle Danger, Minnesota, United States |
| 10-11 Sep 2021 |
Lost Soul Ultra (100K|100 Mile|50K) |
Lethbridge, Alberta, Canada |
| 10 Sep 2021 |
Woodstock Festival (Hallucination 100 Mile) |
Livingston County, Michigan, United States |
| 11 Sep 2021 |
The Hawk Hundred (Marathon|50 Miler|100 Miler) |
Kanwaka, Kansas, United States |
| 11 Sep 2021 |
Pine Creek Challenge (100 Miler|100K) |
Marsh Creek, Pennsylvania, United States |
| 11-12 Sep 2021 |
Finlayson Arm (50K|28K) |
Victoria, British Columbia, Canada |
| 11 Sep 2021 |
Area 13.1 (13.1) |
Roswell, Georgia, United States |
| 11 Sep 2021 |
McKenzie River Trail Run (50K) |
Blue River, Oregon, United States |
| 11 Sep 2021 |
La Cuesta Ranch Trail Run (25K|50K) |
San Luis Obispo, California, United States |
| 11 Sep 2021 |
IMTUF 100 (100 Miler) |
Mccall, Idaho, United States |
| 11 Sep 2021 |
Mogollon Monster (100 Miler) |
Pine, Arizona, United States |
| 11 Sep 2021 |
Teanaway Country 100 (100 Miler) |
Kittitas County, Washington, United States |
| 11 Sep 2021 |
Robin Hood 100 (100 Miles) |
Bassetlaw, England, United Kingdom |
| 11 Sep 2021 |
Overlook Endurance Runs (50K|25K|50 Miler) |
Placer County, California, United States |
| 11 Sep 2021 |
Haliburton Forest 100 (100 Miles) |
Dysart Et Al, Ontario, Canada |
| 12-14 Sep 2021 |
Tor Des Geants (330k|130k) |
Gressoney-saint-jean, Aosta Valley, Italy |
| 12 Sep 2021 |
Fyfield Footpath 5K (5K|10K) |
Fyfield, Essex, United Kingdom |
| 17 Sep 2021 |
Azores: Great Whalers Route (Azores Great Whalers Route) |
Capelo, Azores, Portugal |
| 17 Sep 2021 - 20 Mar 2022 |
The 222 Run (Part 1 - Tasmania|Part 2 - Victoria|Part 3 - New South Wales (1/2)|Part 4 - New South Wales (2/2)|Part 5 - Queensland (1/2)|Part 6 - Queensland (2/2)) |
Marlborough, Tasmania, Australia |
| 17 Sep 2021 |
Run Rabbit Run (100 Mile Tortoises|50 Miler) |
Steamboat Springs, Colorado, United States |
| 18 Sep 2021 |
Mountain Lakes 100 (100 Miler) |
Olallie Lake, Oregon, United States |
| 18 Sep 2021 |
Table Rock Ultras (50K) |
Morganton, North Carolina, United States |
| 18 Sep 2021 |
Chiltern Wonderland 50 (50 Miles) |
South Oxfordshire, England, United Kingdom |
| 18 Sep 2021 |
Stagecoach (100M SOLO MTB|100M SOLO MTB) |
Coconino County, Arizona, United States |
| 18-19 Sep 2021 |
Skyline Scotland (Glen Coe Skyline|Ben Nevis Ultra|Ring of Steall) |
Kinlochleven, Scotland, United Kingdom |
| 18 Sep 2021 |
Sean O'Brien 50k/26.2/30k (50K|Marathon|30K) |
Malibu, California, United States |
| 18 Sep 2021 |
Marji Gesick (100 Miles) |
Forestville, Michigan, United States |
| 18 Sep 2021 |
Be The Light 5K (5K|10K) |
Valencia, California, United States |
| 18 Sep 2021 |
The Georgia Jewel (100 Miler) |
Dalton, Georgia, United States |
| 18 Sep 2021 |
Noble Canyon (50K) |
Pine Valley, California, United States |
| 19 Sep 2021 |
Grindstone 100 (100 Miles) |
Trimbles Mill, Virginia, United States |
| 19 Sep 2021 |
Blue Mountain 30k (30k) |
Missoula, Montana, United States |
| 24-25 Sep 2021 |
Ultra Trails Lake Tahoe (50 Miler|50K|100 Miler|25K) |
Placer County, California, United States |
| 24 Sep 2021 |
Yeti 100 Mile Endurance Run (100 Miler) |
Whitetop, Virginia, United States |
| 24 Sep 2021 |
Whistler Alpine Meadows 110k (110km) |
Whistler, British Columbia, Canada |
| 24 Sep 2021 |
The Bear (100 Miler) |
Logan, Utah, United States |
| 25 Sep 2021 |
Tulsa Urban Adventure (100 Miles) |
Tulsa, Oklahoma, United States |
| 25 Sep 2021 |
Whistler Alpine Meadows 25km (25km) |
Whistler, British Columbia, Canada |
| 25 Sep 2021 |
Worlds End Fall Classic (13.2 miles) |
Forksville, Pennsylvania, United States |
| 25 Sep 2021 |
Mt. Taylor 50K (50K) |
Grants, New Mexico, United States |
| 25 Sep 2021 |
Headwaters Trail Runs (30K|50K|10K) |
Mount Shasta, California, United States |
| 26 Sep 2021 |
Whistler Alpine Meadows 55km (55km) |
Whistler, British Columbia, Canada |
| 01 Oct 2021 |
Essex 100 (100 Miles) |
Uttlesford, England, United Kingdom |
| 1-2 Oct 2021 |
Bulldog 50k & 25k Trail Runs (50k - Saturday|25k - Friday) |
Calabasas, California, United States |
| 1-3 Oct 2021 |
Broken Arrow SkyRace (52 km|26 km|11K|Vertical K|Kids Run) |
Olympic Valley, California, United States |
| 02 Oct 2021 |
Elk-Kings 25k/50k (25K|50K) |
Tillamook, Oregon, United States |
| 02 Oct 2021 |
Hennepin Hundred (100 Miler) |
Whiteside County, Illinois, United States |
| 02 Oct 2021 |
Big Sur Trail Marathon & Half (Half Marathon) |
Big Sur, California, United States |
| 02 Oct 2021 |
Cuyamaca 100K (100K) |
Julian, California, United States |
| 02 Oct 2021 |
Baker Lake 50K (50K) |
Baker Lake, Washington, United States |
| 02 Oct 2021 |
Iron Horse Ultra 100 (100 Miles) |
Town Of St. Paul, Alberta, Canada |
| 02 Oct 2021 |
Crested Butte Ultra (55K|105K) |
Crested Butte, Colorado, United States |
| 02 Oct 2021 |
Rock/Creek Stump Jump (50K) |
Chattanooga, Tennessee, United States |
| 02 Oct 2021 |
Flagstaff Sky Peaks Mountain Runs (27 K|5K|10 K|50 Miler|50K Sat.) |
Coconino County, Arizona, United States |
| 03 Oct 2021 |
FVBR Bear Mountain Inaugural Race (Long Course - Bear and Red 24km|Short Course - Bear 11 km) |
Mission, British Columbia, Canada |
| 03 Oct 2021 |
Field Station Frenzy 5K Trail Run & Walk (5K) |
Porter, Indiana, United States |
| 03 Oct 2021 |
Black Forest Ultra (100 km) |
North Bend, Pennsylvania, United States |
| 03 Oct 2021 |
Twin Cities Marathon (Marathon) |
Minneapolis, Minnesota, United States |
| 03 Oct 2021 |
11 Miles to Paradise (10.6 Mile ) |
Paradise, Montana, United States |
| 05 Oct 2021 |
White Rose Ultra (100 Miles) |
Kirklees, England, United Kingdom |
| 08 Oct 2021 |
Moab 240 Endurance Run (238 Miler) |
Moab, Utah, United States |
| 09 Oct 2021 |
Canal Corridor 100 (100 Miler) |
Akron, Ohio, United States |
| 09 Oct 2021 |
Arkansas Marathon (Arkansas Marathon) |
Booneville, Arkansas, United States |
| 09 Oct 2021 |
Indiana Trail 100 Mile (100 Miles) |
Egans Point, Indiana, United States |
| 09 Oct 2021 |
Tesla Hertz Run (100 Miler) |
Suffolk County, New York, United States |
| 9-10 Oct 2021 |
Midstate Massive Ultra Trail (100 Miler|50 Miler|30 Miler) |
Charlton, Massachusetts, United States |
| 09 Oct 2021 |
Sean O'Brien 100K/50M (100K|50 Miler) |
Calabasas, California, United States |
| 09 Oct 2021 |
Rocky Peak Trail Races (50K) |
Simi Valley, California, United States |
| 09 Oct 2021 |
Shawnee 50 Mile Trail Run (50 Miler) |
West Portsmouth, Ohio, United States |
| 9-10 Oct 2021 |
Midstate Massive Ultra Trail (50 Miler|30 Miler|100 Miler) |
New Ipswich, New Hampshire, United States |
| 10 Oct 2021 |
Chicago Marathon (Marathon) |
Chicago, Illinois, United States |
| 10 Oct 2021 |
Jet Blue Long Beach Marathon (Marathon) |
Long Beach, California, United States |
| 10 Oct 2021 |
Paine to Pain (Half Marathon) |
Westchester County, New York, United States |
| 10 Oct 2021 |
Steamtown Marathon (26.2 Miles) |
Forest City, Pennsylvania, United States |
| 15 Oct 2021 |
Mines of Spain 100 (100 Miler|100K) |
Dubuque, Iowa, United States |
| 15 Oct 2021 |
Pony Express Trail Run (50 Miler|100 Miler) |
West Of Faust, Utah, United States |
| 16 Oct 2021 |
Autumn 100 (100 Miles) |
Streatley, England, United Kingdom |
| 16 Oct 2021 |
Friendship 5K (5K) |
Meridian, Idaho, United States |
| 16 Oct 2021 |
SPACEROCK Trail Race (5K|10K|Half Marathon) |
Agua Dulce, California, United States |
| 16 Oct 2021 |
PCT 50 (50 Miler) |
Cleveland National Forest, California, United States |
| 16 Oct 2021 |
Cloudsplitter 100 (100 Miler) |
Norton, Virginia, United States |
| 16 Oct 2021 |
Oil Creek 100 Trail Runs (100 Miles) |
Titusville, Pennsylvania, United States |
| 16 Oct 2021 |
Ghost Train Trail Races (100 Miler) |
Brookline, New Hampshire, United States |
| 16 Oct 2021 |
Pumpkin Holler Hunnerd (100K) |
Ellerville, Oklahoma, United States |
| 17 Oct 2021 |
Mt. Baldy Run to the Top (7 Miler) |
Mt. Baldy, California, United States |
| 17 Oct 2021 |
Des Plaines River Trail Races (Marathon|Half-Marathon|50 Mile) |
Vernon Hills, Illinois, United States |
| 23 Oct 2021 |
Quicksilver (50K|100K) |
San Jose, California, United States |
| 23 Oct 2021 |
Overlook Endurance Runs (50 Miler|50K|25K) |
Placer County, California, United States |
| 23 Oct 2021 |
Lake Hodges (50 K) |
San Diego, California, United States |
| 23 Oct 2021 |
Uwharrie 100 (100 Miler) |
Lake In The Pine, North Carolina, United States |
| 23 Oct 2021 |
Sean O'Brien 100K/50M (50 Miler|100K) |
Calabasas, California, United States |
| 23 Oct 2021 |
Vista Verde Skyline Run - Trail Ultra (Half Marathon|Marathon|50K|10K) |
Los Altos, California, United States |
| 23 Oct 2021 |
Kansas Rails to Trails (100 Miler) |
Ottawa, Kansas, United States |
| 24 Oct 2021 |
Tussey Mountainback (50 Miler) |
Harris Township, Pennsylvania, United States |