| 14 Sep 2025 |
WHISTLER X TRI (Sprint Distance Bike|Championship Distance Run|Championship Distance Bike|Sprint Distance Run) |
Whistler, British Columbia, Canada |
| 18-21 Sep 2025 |
Mammoth Trail Fest (Dragon's Back Ascent|50k|26k) |
Mammoth Lakes, California, United States |
| 19 Sep 2025 |
The Georgia Jewel (100 Miler) |
Dalton, Georgia, United States |
| 19 Sep 2025 |
Steve Nesheim XC Invite (JV 2.5 Mile|Varsity 3 Mile|Elementary School 1.1 Mile|Middle School 1.65 Mile) |
Mount Shasta, California, United States |
| 20 Sep 2025 |
Pikes Peak Ascent & Marathon (Half Marathon|Marathon) |
Manitou Springs, Colorado, United States |
| 20 Sep 2025 |
Table Rock Ultras (50K) |
Morganton, North Carolina, United States |
| 20 Sep 2025 |
Mountain Lakes 100 (100 Miler) |
Olallie Lake, Oregon, United States |
| 20 Sep 2025 |
Be The Light 5K (10K|5K) |
Valencia, California, United States |
| 20 Sep 2025 |
IMTUF 100 (100 Miler) |
Mccall, Idaho, United States |
| 20 Sep 2025 |
Stagecoach (100M MTB|100M MTB) |
Coconino County, Arizona, United States |
| 20 Sep 2025 |
Whangamatā Half Marathon (5km|10km|Half Marathon) |
Whangamatā, Waikato, New Zealand |
| 20 Sep 2025 |
Sangre de Cristo (100 Miler) |
Custer County, Colorado, United States |
| 20 Sep 2025 |
Chiltern Wonderland 50 (50 Miles) |
South Oxfordshire, England, United Kingdom |
| 20 Sep 2025 |
Skyline Scotland (Ring of Steall|Ben Nevis Ultra|Glen Coe Skyline) |
Kinlochleven, Scotland, United Kingdom |
| 20 Sep 2025 |
Three Sisters Skyline (50K|1/2 Marathon) |
Deschutes County, Oregon, United States |
| 21 Sep 2025 |
No Name 5030 (50K) |
Agoura, California, United States |
| 21 Sep 2025 |
Yellowstone Gateway 30K (30K) |
Pray, Mt 59065, Montana, United States |
| 21 Sep 2025 |
Geelong Marathon Festival (Marathon) |
Geelong, Victoria, Australia |
| 26 Sep 2025 |
Yeti 100 Mile Endurance Run (100 Miler) |
Whitetop, Virginia, United States |
| 26-27 Sep 2025 |
Côte d'Azur (100M|100K|50K) |
Saint-étienne-de-tinée, Provence-Alpes-Côte-d’Azur, France |
| 26 Sep 2025 |
The Bear (100 Miler) |
Logan, Utah, United States |
| 26 Sep 2025 |
The Mammoth 200 (200 Miler) |
Mammoth Lakes, California, United States |
| 26 Sep 2025 |
13 Valleys (180km) |
Keswick, Cumbria, United Kingdom |
| 27 Sep 2025 |
Crested Butte Ultra (55K|50 Miler|35K) |
Crested Butte, Colorado, United States |
| 27 Sep 2025 |
Angeles National Forest Trail Race (50K|25K) |
Los Angeles, California, United States |
| 27 Sep 2025 |
Kiwi Walk and Run Auckland Gardens (Short|Long|Mid) |
Auckland, Auckland, New Zealand |
| 27 Sep 2025 |
Mt. Taylor 50K (50K) |
Grants, New Mexico, United States |
| 27 Sep 2025 |
Rocky Peak Trail Races (50K) |
Simi Valley, California, United States |
| 27 Sep 2025 |
Flagstaff Sky Peaks Mountain Runs (50 Miler|26K|50K|10K) |
Coconino County, Arizona, United States |
| 27 Sep 2025 |
Tulsa Urban Adventure (100 Miles) |
Tulsa, Oklahoma, United States |
| 28 Sep 2025 |
Boulderthon (Marathon|5K|10K|Half Marathon) |
Boulder, Colorado, United States |
| 28 Sep 2025 |
MQP Bratfest 5K & 1M Fun Run (1M|5K) |
Webster Groves, Missouri, United States |
| 04 Oct 2025 |
Baker Lake 50K (50K) |
Baker Lake, Washington, United States |
| 04 Oct 2025 |
Oregon Coast 50k (50K|20 Miler) |
Yachats, Oregon, United States |
| 4-5 Oct 2025 |
Perpetua Coast (50K|20 Miler|Half Marathon|10K) |
Yachats, Oregon, United States |
| 04 Oct 2025 |
Cuyamaca 100K (100K) |
Julian, California, United States |
| 04 Oct 2025 |
Runtheberg Ultra 2024 (RTB 25|RTB Ultra 65|RTB 13|RTB Marathon 42) |
Bergville, KZN, South Africa |
| 04 Oct 2025 |
Harrisonburg Half Marathon (Half Marathon) |
Harrisonburg, Virginia, United States |
| 04 Oct 2025 |
Hennepin Hundred (100 Miler) |
Whiteside County, Illinois, United States |
| 05 Oct 2025 |
Field Station Frenzy 5K Trail Run & Walk (5K) |
Porter, Indiana, United States |
| 05 Oct 2025 |
Black Forest Ultra (100 km) |
North Bend, Pennsylvania, United States |
| 05 Oct 2025 |
Pasqua Peaks Trail Race (13k|5k|26k) |
Fort Qu'appelle, Saskatchewan, Canada |
| 05 Oct 2025 |
Jet Blue Long Beach Marathon (Marathon) |
Long Beach, California, United States |
| 05 Oct 2025 |
Toronto Marathon (5K|Marathon|Half Marathon|10K) |
Toronto, Ontario, Canada |
| 05 Oct 2025 |
Scrumpy Skedaddle (10K|5K|10M) |
Flushing, Michigan, United States |
| 10-11 Oct 2025 |
Kodiak (21K|10K|100K|50K|100 Miler) |
Big Bear Lake, California, United States |
| 10 Oct 2025 |
Moab 240 Endurance Run (240 Miler) |
Moab, Utah, United States |
| 10 Oct 2025 |
Tesla Hertz Run (100 Miler) |
Suffolk County, New York, United States |
| 11-12 Oct 2025 |
Midstate Massive Ultra Trail (30 Miler|50 Miler|100 Miler) |
Charlton, Massachusetts, United States |
| 11 Oct 2025 |
Arkansas Marathon (Arkansas Marathon) |
Booneville, Arkansas, United States |
| 11 Oct 2025 |
Canal Corridor 100 (100 Miler) |
Akron, Ohio, United States |
| 11 Oct 2025 |
Montecito Mash (Mountain bike|Run) |
Santa Barbara, California, United States |
| 11-12 Oct 2025 |
Midstate Massive Ultra Trail (30 Miler|100 Miler|50 Miler) |
New Ipswich, New Hampshire, United States |
| 11 Oct 2025 |
Jared Coones Pumpkin Run 5K (5K) |
Olathe, Kansas, United States |
| 11 Oct 2025 |
Cave Creek Thriller (50K|11K|24K|5K) |
Cave Creek, Arizona, United States |
| 11 Oct 2025 |
Rock It in Chino Hills 2025 (10K|5K) |
Brea, California, United States |
| 11 Oct 2025 |
Shawnee Trail Runs (13.1 Mile|50K|50 Miler) |
West Portsmouth, Ohio, United States |
| 11 Oct 2025 |
Angel's Rest (10K|20 Mile|50K) |
Multnomah County, Oregon, United States |
| 11 Oct 2025 |
Run Scream Run (5K|10K) |
Ypsilanti, Michigan, United States |
| 11 Oct 2025 |
Kiwi Walk and Run Hawkes Bay (Church Road) (Long|Short|Mid) |
Napier, Hawke’s Bay, New Zealand |
| 11 Oct 2025 |
Whiskey Row Marathon (Marathon|5K|10K|Half-Marathon) |
Prescott, Arizona, United States |
| 12 Oct 2025 |
Chicago Marathon (Marathon) |
Chicago, Illinois, United States |
| 12 Oct 2025 |
Nantucket Half Marathon (Nantucket Half Marathon) |
Nantucket, Massachusetts, United States |
| 12 Oct 2025 |
Toronto Waterfront Marathon (5K|Half Marathon|Marathon) |
Old Toronto, Ontario, Canada |
| 12 Oct 2025 |
Paine to Pain (Half Marathon) |
Westchester County, New York, United States |
| 12 Oct 2025 |
Steamtown Marathon (26.2 Miles) |
Forest City, Pennsylvania, United States |
| 14 Oct 2025 |
Finn Dawg Invitational 5k (5k) |
Kirkwood, Missouri, United States |
| 14 Oct 2025 |
Runner's Edge Missoula City Meet (5k) |
Missoula, Montana, United States |
| 17 Oct 2025 |
Mines of Spain 100 (100K|100 Miler) |
Dubuque, Iowa, United States |
| 17 Oct 2025 |
Pony Express Trail Run (50 Miler|100 Miler) |
West Of Faust, Utah, United States |
| 18 Oct 2025 |
Kiwi Walk and Run Rotorua (Long|Mid|Short) |
Rotorua, Bay of Plenty, New Zealand |
| 18 Oct 2025 |
Quest for the Crest Trail Races (50K) |
Burnsville, North Carolina, United States |
| 18 Oct 2025 |
Deerfly Trail Race (11k|6k) |
Fayetteville, North Carolina, United States |
| 18-19 Oct 2025 |
Rogue Gorge (50 Miler|50K|Half Marathon|12K) |
Union Creek, Oregon, United States |
| 18 Oct 2025 |
SPACEROCK Trail Race (15K|5K|10K|Half Marathon) |
Agua Dulce, California, United States |
| 18 Oct 2025 |
Viking 5K (5K) |
Allentown, Pennsylvania, United States |
| 18 Oct 2025 |
Lake Sonoma 100K and 55k (55K|100K) |
Sonoma County, California, United States |
| 18 Oct 2025 |
Autumn 100 (100 Miles) |
Streatley, England, United Kingdom |
| 18 Oct 2025 |
Uwharrie 100 (100 Miler) |
Lake In The Pine, North Carolina, United States |
| 18 Oct 2025 |
Pumpkin Holler Hunnerd (100K) |
Ellerville, Oklahoma, United States |
| 18 Oct 2025 |
Savage 100 (100 Miles|100k) |
Savage, Minnesota, United States |
| 19 Oct 2025 |
Leatherman's Loop (10k) |
Ward Pound Ridge Reservation, New York, United States |
| 19 Oct 2025 |
Capital 2 Capital 5k (Capital 2 Capital 5k) |
Kingston, New York, United States |
| 19 Oct 2025 |
Mount Desert Island Marathon (Marathon) |
Bar Harbor, Maine, United States |
| 23 Oct 2025 |
Big River Invitiational (5k) |
Fenton, Missouri, United States |
| 23 Oct 2025 |
Haunted Hustle 3K (TRC Haunted Hustle 3K) |
Houston, Texas, United States |
| 24 Oct 2025 |
No Business 100 (100 Miler) |
Stearns, Kentucky, United States |
| 25 Oct 2025 |
The Legend Trail Run (13.1M|10M|5M) |
Laingsburg, Michigan, United States |
| 25 Oct 2025 |
Ozark Trail 100 (100 Miles) |
Reynolds, Missouri, United States |
| 25 Oct 2025 |
Javelina Jundred (100K|100 Miler) |
Fountain Hills, Arizona, United States |
| 25 Oct 2025 |
Range of Light Trail Races (50k|33k|10k|5k) |
Bishop, California, United States |
| 25 Oct 2025 |
Santa Cruz Island Eco Extreme (21K) |
Santa Barbara County, California, United States |
| 25 Oct 2025 |
RFYL (5k) |
Bozeman, Montana, United States |
| 25 Oct 2025 |
Oakland Hills Trail Run (1/2 Marathon|35K) |
Oakland, California, United States |
| 25 Oct 2025 |
Kansas Rails to Trails (100 Miler) |
Ottawa, Kansas, United States |
| 26 Oct 2025 |
Las Vegas Marathon (Marathon|Half|702 Race) |
Clark County, Nevada, United States |
| 26 Oct 2025 |
MMB2025 (5k|10k|21k) |
Bahia De Caraquez, Manabí, Ecuador |
| 26 Oct 2025 |
The Giants Foundation 5k presented by Quest (1 Mile Fun Run|5k) |
East Rutherford, New Jersey, United States |
| 26 Oct 2025 |
Tussey Mountainback (50 Miler) |
Harris Township, Pennsylvania, United States |
| 1-2 Nov 2025 |
Skippo - ICC Version (30k|10k|Half Marathon) |
Saint Charles County, Missouri, United States |