| 25 May 2025 |
Saskatchewan Marathon (42.2k|5k|21.1.k|10k) |
Saskatoon, Saskatchewan, Canada |
| 30 May 2025 |
TRBW25 - half (5- Halve (midden) afstand - hardlopen|3 - Halve (midden) afstand - fietsen|2 - Zwemmen - fietsen|4 - Fietsen - hardlopen|1- Halve (midden) afstand - zwemmen) |
Bergen Op Zoom, North Brabant, Netherlands |
| 30 May 2025 |
Unbound Gravel (25|XL|200|100|50) |
Emporia, Kansas, United States |
| 30 May 2025 |
TRIBW25 - achtste (4 TRIBW- Fietsen - hardlopen|5 TRIBW25 lopen achtste|3 TRIBW25 fietsen achtste|2 TRIBW25 zwemmen - fietsen|1 TRIBW25 zwemmen achtste) |
Bergen Op Zoom, North Brabant, Netherlands |
| 30 May 2025 |
TRIBW25 - kwart (1 Zwemmen - kwart|3 Fietsen- kwart|4 Hardlopen - kwart|3 Fietsen - hardlopen|2 Zwemmen - fietsen) |
Bergen Op Zoom, North Brabant, Netherlands |
| 31 May 2025 |
Sonoma Coast Trail Runs (Half Marathon|50K|30K|Marathon) |
Sonoma County, California, United States |
| 31 May 2025 |
Smith Rock Classic (10 Miler|50K|50 Miler) |
Jefferson County, Oregon, United States |
| 31 May 2025 |
Cape Mountain (50K|25K|10K) |
Florence, Oregon, United States |
| 31 May 2025 |
Run Comfy Numb Trail Run (RCN 25K|RCN 50K ) |
Whistler, British Columbia, Canada |
| 31 May 2025 |
Kinzua Half Marathon & 5k (5k|Half Marathon) |
Mount Jewett, Pennsylvania, United States |
| 31 May 2025 |
Worlds End Ultramarathon (50k|100k) |
Forksville, Pennsylvania, United States |
| 01 Jun 2025 |
Rock 'n' Roll San Diego (Half|Marathon) |
San Diego, California, United States |
| 6-7 Jun 2025 |
SAMO 100 Mile/100k (100 Miler|100K) |
Malibu, California, United States |
| 06 Jun 2025 |
Scout Mountain Trail Ultras (100 Miler) |
Pocatello, Idaho, United States |
| 06 Jun 2025 |
Scout Mountain Ultras (100 Mile) |
Pocatello, Idaho, United States |
| 06 Jun 2025 |
Hell Hole Hundred (100M) |
Charleston, South Carolina, United States |
| 06 Jun 2025 |
San Diego 100 (100 Miler) |
Lake Cuyamaca, California, United States |
| 07 Jun 2025 |
Silver State (50 Miler|50K|Half Marathon) |
Washoe County, Nevada, United States |
| 07 Jun 2025 |
McKenzie River Trail Run (50K) |
Blue River, Oregon, United States |
| 07 Jun 2025 |
Sinks Canyon Rough & Tumble Trail Runs (18K|50K) |
Lander, Wyoming, United States |
| 07 Jun 2025 |
Warhammer 100 (100 Miler) |
Slade, Kentucky, United States |
| 07 Jun 2025 |
Malibu Canyon Trail Races (30K|50K|50 mile |Half Marathon |100K) |
Malibu, California, United States |
| 07 Jun 2025 |
Worlds End Ultramarathon 100K - 2025 (100K) |
Forksville, Pennsylvania, United States |
| 7-14 Jun 2025 |
Huron 100 (Huron 100 Endurance Run |WP 50) |
Grass Lake, Michigan, United States |
| 07 Jun 2025 |
River of No Return (53k) |
Challis City Park, Idaho, United States |
| 07 Jun 2025 |
Old Dominion 100 Mile (100 Miler) |
Fort Valley, Virginia, United States |
| 08 Jun 2025 |
Move with Moosic 5k (5k) |
Moosic, Pennsylvania, United States |
| 13 Jun 2025 |
Tahoe 200 (200 Miler) |
Washoe County, Nevada, United States |
| 13-19 Jun 2025 |
Broken Arrow SkyRace (Kids Run|Vertical K|11K|26K|52K|Iron Face Challenge) |
Olympic Valley, California, United States |
| 14 Jun 2025 |
Mary's Peak Trail Run (50K|25K|50 Miler) |
Blodgett, Oregon, United States |
| 14 Jun 2025 |
Holcolm Valley Trail Run (7 Miles|33 Miles|15 Miles) |
Minnelusa, California, United States |
| 14 Jun 2025 |
South Downs Way 100 (100 Miles) |
Winchester, England, United Kingdom |
| 14 Jun 2025 |
Old Gabe (30K|50K) |
Bozeman, Montana, United States |
| 14 Jun 2025 |
Scotiabank Vancouver Half Marathon & 5K (Half Marathon) |
Vancouver, British Columbia, Canada |
| 14 Jun 2025 |
Kettle Moraine 100 Endurance Run (100K|100 Miler) |
Whitewater, Wisconsin, United States |
| 14 Jun 2025 |
Funk Bottoms Gravel 100K\200K (200K|100K) |
Glenmont, Ohio, United States |
| 14 Jun 2025 |
Ultra Trail Gaspesia 100 (100 Miles) |
Percé, Quebec, Canada |
| 14 Jun 2025 |
Cool Moon 100 (100 Miler|Cool Moon 100K|Cool Moon 13.5 mile (North Loop)|Cool Moon 11.5 miler (South Loop)|Cool Moon 25 miler|Cool Moon 5K|Cool Moon 50 miler) |
Cool, California, United States |
| 14 Jun 2025 |
Canton Liberty Run (5K|10K) |
Canton, Michigan, United States |
| 14 Jun 2025 |
Sugar Daddy Race (Kids Fun Run|Half Marathon|10K|5K) |
Santa Clarita, California, United States |
| 14 Jun 2025 |
Pembrokeshire 100 (100 Miles) |
Dale, Wales, United Kingdom |
| 20 Jun 2025 |
Orange Curtain (10km|10km v2) |
Cerritos, California, United States |
| 20-21 Jun 2025 |
Bighorn Trail Run (32 Miler|52 Miler|18 Miler|100 Miler) |
Sheridan, Wyoming, United States |
| 21 Jun 2025 |
Black Mountain Trail Races (25k|50k|Half marathon) |
San Diego, California, United States |
| 21 Jun 2025 |
Minotaur SkyRace (32k) |
Crowsnest Pass, Alberta, Canada |
| 21 Jun 2025 |
Flagstaff Extreme Big Pine Trail Runs (50K|27K|13K|6K) |
Coconino County, Arizona, United States |
| 21 Jun 2025 |
Grandma's Marathon (Marathon|Half Marathon) |
Two Harbors, Minnesota, United States |
| 21 Jun 2025 |
San Juan Solstice 50 Mile Run (50 Miler) |
Lake City, Colorado, United States |
| 21 Jun 2025 |
West Highland Way (100 Miles) |
Milngavie, Scotland, United Kingdom |
| 21 Jun 2025 |
Jurassic Coast (100 Miles) |
Dorset, England, United Kingdom |
| 21 Jun 2025 |
Alpine Solstice (Half Marathon|55K) |
Deschutes County, Oregon, United States |
| 21 Jun - 20 Sep 2025 |
Headwaters Trail Runs (10K|30K|50K) |
Mount Shasta, California, United States |
| 21 Jun 2025 |
Ring the Springs (100 Miler|100K|25K|50K) |
Colorado Springs, Colorado, United States |
| 21 Jun 2025 |
Black Mountain 50K/25K/Half (50K|25K|1/2 Marathon) |
San Diego, California, United States |
| 26 Jun 2025 |
Run for the Ranch (5K) |
Unincorporated Santa Monica Mountains, California, United States |
| 27-28 Jun 2025 |
Black Hills 100 (50K|50 Miler|100 Miler) |
Sturgis, South Dakota, United States |
| 27 Jun 2025 |
Copper Kings 100 (100 Miles) |
Butte, Montana, United States |
| 28 Jun 2025 |
Leadville Trail Marathon & Heavy Half (Marathon|Heavy Half) |
Leadville, Colorado, United States |
| 28 Jun 2025 |
Wy’east Wonder (50K|50 Miler) |
Hood River County, Oregon, United States |
| 28 Jun 2025 |
Glacier Half Marathon (Half Marathon) |
Browning, Montana, United States |
| 28 Jun 2025 |
Ultra Trail de Mexico (50k|100k) |
Huasca De Ocampo, Hidalgo, Mexico |
| 28 Jun 2025 |
Macklind Mile (1 mile) |
St. Louis, Missouri, United States |
| 28 Jun 2025 |
Western States (100-Mile Endurance Run) |
Squaw Valley, California, United States |
| 28 Jun 2025 |
Whiting Ranch Trail Races (30k|10K|6k|Half Marathon ) |
Trabuco Canyon, California, United States |
| 4-5 Jul 2025 |
Quebec Mega Trail (QMT 135|QMT 80|QMT 50|QMT 32) |
Beaupré, Quebec, Canada |
| 04 Jul 2025 |
Encinitas Half Marathon (Half Marathon) |
Encinitas, California, United States |
| 04 Jul 2025 |
Freedom Fighter 5K (5K) |
Tyler, Texas, United States |
| 04 Jul 2025 |
Village Runner 4th of July Redondo Beach 5k (5k) |
Redondo Beach, California, United States |
| 04 Jul 2025 |
Webster Groves Community Days 5k (5K) |
Webster Groves, Missouri, United States |
| 05 Jul 2025 |
Pen Llyn Ultra (50 Miles|75 Miles|100 Miles) |
Y Ffor, Wales, United Kingdom |
| 5-13 Jul 2025 |
Grey Rock Trail Runs (25K|50K) |
Yakima, Washington, United States |
| 06 Jul 2025 |
4 on the 4th Road Race presented by Visions Federal Credit Union (4 miles) |
Endwell, New York, United States |
| 06 Jul 2025 |
Marji Gesick (100 Miles) |
Forestville, Michigan, United States |
| 09 Jul 2025 |
Badwater 135 (135 Miler) |
Death Valley, California, United States |
| 11 Jul 2025 |
Hardrock Endurance Run (100 Miler) |
Silverton, Colorado, United States |
| 12 Jul 2025 |
Ironstone 100K (Ironstone 100K) |
Hollidaysburg, Pennsylvania, United States |
| 12 Jul 2025 |
McCall Trailrunning Classic (30K|McClassic 50M|50K) |
Mccall, Idaho, United States |
| 12 Jul 2025 |
Silverheels 100 (100 Miler) |
Fairplay, Colorado, United States |
| 12 Jul 2025 |
Bear Mountain (12 km|8 km|21 km) |
Mission, British Columbia, Canada |
| 12 Jul 2025 |
Dances with Dirt Devil's Lake (13.1M|10K|50M|50K|26.2M) |
Baraboo, Wisconsin, United States |
| 12 Jul 2025 |
Siskiyou Out Back (100K|50 Miler|50K) |
Jackson County, Oregon, United States |
| 12 Jul 2025 |
Viaduct Trail Ultramarathon (100 Miles) |
Lanesboro, Pennsylvania, United States |
| 12 Jul 2025 |
Eiger Ultra Trail (E51|E16|E35|E101) |
Grindelwald, Bern, Switzerland |
| 12 Jul 2025 |
Honey Badger 100 (100 Mile) |
Cheney, Kansas, United States |
| 12 Jul 2025 |
Elder Creek Night Run (9 Miler|13 Miler|50 K|30 K) |
Anza, California, United States |
| 12-13 Jul 2025 |
Coldwater Classic by Heads or Trails (10 KM XC BIKE|10 KM RUN/BIKE|26 KM XC BIKE|26 KM RUN/BIKE) |
Thompson-nicola Valley, British Columbia, Canada |
| 12-19 Jul 2025 |
Tahoe Rim Trail Endurance Runs (100 Miler|50 Miler|55K) |
Carson City, Nevada, United States |
| 12 Jul 2025 |
Leadville Silver Rush 50 (50 Miler) |
Leadville, Colorado, United States |
| 12 Jul 2025 |
The Peak 50k/Marathon/Half Marathon (1/2 Marathon|Marathon|50K) |
Julian, California, United States |
| 12 Jul 2025 |
Sinister 7 (100 Miles) |
Crowsnest Pass, Alberta, Canada |
| 13 Jul 2025 |
Shoreline Marathon (Marathon|Half Marathon|5K|10K) |
Ventura, California, United States |
| 18 Jul 2025 |
Cascade Crest (100 Miler) |
Easton, Washington, United States |
| 18-19 Jul 2025 |
Ouray 100 & 50 Mile Endurance Run (100 Miler|50 Miler) |
Ouray, Colorado, United States |
| 18 Jul 2025 |
Oberun 5K (5K) |
Ypsilanti, Michigan, United States |
| 18 Jul 2025 |
High Lonesome 100 (100 Miler) |
Salida, Colorado, United States |
| 19 Jul 2025 |
High Cascades 100 (100 Miles) |
Bend, Oregon, United States |
| 19 Jul 2025 |
BROKEN GOAT (25km|12km|52km) |
Rossland, British Columbia, Canada |
| 19 Jul 2025 |
Three Corner Rock PCT 50k (50K) |
Carson, Washington, United States |
| 19 Jul 2025 |
Silverton Alpin (Marathon|50K) |
Silverton, Colorado, United States |
| 19 Jul 2025 |
Broken Goat (52k) |
Rossland, British Columbia, Canada |