| 07 May 2027 |
Ragnar Trail Ohio (Green Loop|Yellow Loop|Red Loop) |
Nashport, Ohio, United States |
| 08 May 2027 |
Mother's Day Run Fest (5K|Half Marathon|Kids Race (0.5 mile)) |
Lake Worth, Florida, United States |
| 08 May 2027 |
Yosemite Half Marathon (Half Marathon) |
Yosemite National Park, California, United States |
| 08 May 2027 |
Breakneck Point Trail Runs (42K|21K) |
Beacon, New York, United States |
| 08 May 2027 |
Ice Age Trail Endurance Runs (50k|Half Marathon|50 Miler) |
La Grange, Wisconsin, United States |
| 08 May 2027 |
Thunderbunny Trail Races (25K|11K|50K) |
Athens, Ohio, United States |
| 08 May 2027 |
Valkyrie Trail Race (30K|8 Mile|Half Marathon|Marathon|50K|4 Mile) |
Colorado Springs, Colorado, United States |
| 08 May 2027 |
Quicksilver (100K|50K) |
San Jose, California, United States |
| 08 May 2027 |
Singletrack Stampede (10k Trail|22k Trail) |
Calabasas, California, United States |
| 13-15 May 2027 |
HOKA Ultra-Trail Australia by UTMB (UTA50|UTA100|UTAMiler|UTA22|UTA11) |
Katoomba, New South Wales, Australia |
| 14-16 May 2027 |
Eryri by UTMB (Eryri 100K|Eryri 100M|Eryri 80K|Eryri 50K|Eryri 25K) |
Llanberis, Wales, United Kingdom |
| 14 May 2027 |
Cruel Jewel 100 (100 Miler) |
Blairesville, Georgia, United States |
| 14 May 2027 |
UTAH 115 (115 Miles) |
Kanab, Utah, United States |
| 14 May 2027 |
UTAH 50 (UTAH 50) |
Kanab, Utah, United States |
| 14 May 2027 |
Infinitus (100 Miler) |
Goshen, Vermont, United States |
| 14 May 2027 |
Born to Run (100M) |
Santa Ynez, California, United States |
| 14-16 May 2027 |
Trail Alsace by UTMB (Ultra-Trail des Chevaliers|Trail des Celtes|Ronde des Pages|Ultra-Trail des Païens|Trail des Pèlerins|Trail des Ecuyers) |
Obernai, Bas-Rhin, France |
| 15-16 May 2027 |
Rothrock by UTMB (25K|50K) |
State College, Pennsylvania, United States |
| 15-16 May 2027 |
Tillamook Burn Trail Run (55K|50 Miler) |
Tillamook State Forest, Oregon, United States |
| 15 May 2027 |
O'Neill Park Trail Races (50k|30k|Half Marathon|10k|Marathon) |
Trabuco Canyon, California, United States |
| 15 May 2027 |
UTAH 50K (50kms) |
Kanab, Utah, United States |
| 15 May 2027 |
Quest for the Crest Trail Races (50K) |
Burnsville, North Carolina, United States |
| 15 May 2027 |
Keys 100 (100 Miles) |
Newport, Florida, United States |
| 15 May 2027 |
North Downs Way 50 (50 Miles) |
Waverley, England, United Kingdom |
| 15 May 2027 |
Massanutten Mountain Trails 100 (100 Miler) |
Kings Crossing, Virginia, United States |
| 16 May 2027 |
Life Time Chicago Spring Half Marathon & 5K (5K|Half Marathon) |
Chicago, Illinois, United States |
| 21-23 May 2027 |
Coyote Two Moon (55K|100 Miler|100K|30K) |
Ojai, California, United States |
| 22 May 2027 |
North Fork 50 (50K|50 Miler) |
Buffalo Creek, Colorado, United States |
| 22 May 2027 |
Bishop High Sierra Ultras (50 Miler|55K|100K) |
Bishop, California, United States |
| 22 May 2027 |
Adrenaline Night Runs (10K|25K|50K|15K|6K) |
Fort Mcdowell, Arizona, United States |
| 23 May 2027 |
TMNZ Run the Bay (8.7km|6km|Half Marathon) |
Paihia, Northland, New Zealand |
| 28-30 May 2027 |
Mountain Ultra Trail by UTMB (MUT Miler by UTMB|MUT 60 by UTMB|MUT 100 by UTMB|MUT Marathon by UTMB|MUT Challenge by UTMB|MUT Lite by UTMB) |
George, Western Cape, South Africa |
| 29 May 2027 |
Smith Rock Classic (10 Mile|50K|50 Mile) |
Jefferson County, Oregon, United States |
| 29-30 May 2027 |
Stumptown Trail Runs (50K|1/2 Marathon) |
Portland, Oregon, United States |
| 29-30 May 2027 |
Calgary Marathon (Kids Race|Half Marathon|10K|5K|50K|Marathon) |
Calgary, Alberta, Canada |
| 29 May 2027 |
Bear Mountain (12 km|8 km|21 km) |
Mission, British Columbia, Canada |
| 29 May 2027 |
Grand Union Canal (145 Miles) |
Birmingham, England, United Kingdom |
| 29 May 2027 |
Hotfoot Hamster (6 Hour|24 Hour|12 Hour) |
Buckeye, Arizona, United States |
| 29 May 2027 |
Run Comfy Numb Trail Run (RCN 25K|RCN 50K ) |
Whistler, British Columbia, Canada |
| 30 May 2027 |
Saskatchewan Marathon (42.2k|5k|21.1.k|10k) |
Saskatoon, Saskatchewan, Canada |
| 4-5 Jun 2027 |
SAMO 100 Mile/100k (100 Miler|100K) |
Malibu, California, United States |
| 04 Jun 2027 |
Hell Hole Hundred (100M) |
Charleston, South Carolina, United States |
| 5-6 Jun 2027 |
Ultra Trail Chattanooga by UTMB (50K|100K|20K) |
Chattanooga, Tennessee, United States |
| 5-12 Jun 2027 |
Huron 100 (100 Miler|Waterloo-Pinckney 50) |
Grass Lake, Michigan, United States |
| 05 Jun 2027 |
Warhammer 100 (100 Miler) |
Slade, Kentucky, United States |
| 05 Jun 2027 |
Malibu Canyon Trail Races (30K|50K|50 mile |Half Marathon|100K) |
Malibu, California, United States |
| 05 Jun 2027 |
River of No Return (53k) |
Challis City Park, Idaho, United States |
| 05 Jun 2027 |
Life Time Unbound Gravel (200|100|XL|25|50) |
Emporia, Kansas, United States |
| 05 Jun 2027 |
Old Dominion 100 Mile (100 Miler) |
Fort Valley, Virginia, United States |
| 05 Jun 2027 |
mozart 100 by UTMB (mozart 100|mozart Ultra|mozart Marathon|mozart Half Marathon) |
Fuschl Am See, Salzburg, Austria |
| 05 Jun 2027 |
Cape Mountain (50K|10K|25K) |
Florence, Oregon, United States |
| 06 Jun 2027 |
Rock 'n' Roll San Diego (Half|Marathon) |
San Diego, California, United States |
| 06 Jun 2027 |
Seaside Marathon (Half Marathon|Marathon|5K|10K) |
Ventura, California, United States |
| 06 Jun 2027 |
Marji Gesick (100 Miles) |
Forestville, Michigan, United States |
| 11-13 Jun 2027 |
Trail 100 Andorra by UTMB (Ultra 105K|Trail 80K|Trail 50K|Trail 21K|Trail 10Km) |
Ordino, Ordino, Andorra |
| 12 Jun 2027 |
Two Hearted Trail Run (50K|Half Marathon|Marathon) |
Paradise, Michigan, United States |
| 12 Jun 2027 |
Hypnosis Night Runs (52K|34K|13K|21K|6K) |
Tolleson, Arizona, United States |
| 12 Jun 2027 |
Mary's Peak Trail Run (50K|25K|50 Miler) |
Blodgett, Oregon, United States |
| 12 Jun 2027 |
South Downs Way 100 (100 Miles) |
Winchester, England, United Kingdom |
| 12-13 Jun 2027 |
Trail of the Kings - Lake Toba by UTMB (Caldera Crown 100K|Ultimate Expedition 60K|King's Ascent|Legacy Dash) |
Samosir, North Sumatra, Indonesia |
| 12 Jun 2027 |
Old Gabe (50K|30K) |
Bozeman, Montana, United States |
| 17-19 Jun 2027 |
Zugspitz Ultra Trail by UTMB (ZUT100|Ultratrail|Ehrwald Trail|Leutasch Trail|Mittenwald Trail|Garmisch-Partenkirchen Trail|Grainau Trail) |
Garmisch-partenkirchen, Bavaria, Germany |
| 18-20 Jun 2027 |
Trail du Saint Jacques by UTMB (Grand Trail du Saint Jacques - 100K|Ultra du Saint Jacques - 100M|Monistrail - 50K|Le 12 du Dolaizon|Les Chibottes - 20K) |
Le Puy-en-velay, Haute-Loire, France |
| 18 Jun 2027 |
Ragnar Trail Michigan (Green Loop|Yellow Loop|Red Loop) |
Grayling, Michigan, United States |
| 19 Jun 2027 |
Sugar Daddy Race (Kids Fun Run|Half Marathon|10K|5K) |
Santa Clarita, California, United States |
| 19 Jun 2027 |
Headwaters Trail Runs (34K|52K|10K) |
Mount Shasta, California, United States |
| 19-20 Jun 2027 |
Kagaspa Trail Endurance 100 by UTMB (KAGASPA 50K|KAGASPA 100K|KAGASPA 20K) |
Kaga, Ishikawa, Japan |
| 19-26 Jun 2027 |
Wy’east Wonder (50K|50 Miler) |
Hood River County, Oregon, United States |
| 19 Jun 2027 |
West Highland Way (100 Miles) |
Milngavie, Scotland, United Kingdom |
| 19 Jun 2027 |
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 |
| 19 Jun 2027 |
Tahoe 100K (100K) |
Douglas County, Nevada, United States |
| 21 Jun 2027 |
Tahoe 200 (200 Miler) |
Washoe County, Nevada, United States |
| 23-26 Jun 2027 |
La Sportiva Lavaredo Ultra Trail by UTMB (Lavaredo 120K|Lavaredo 80K|Lavaredo 20K|Lavaredo 50K|Lavaredo 10K) |
Cortina D'ampezzo, Belluno, Italy |
| 24-27 Jun 2027 |
Torrencial Chile by UTMB (PILOLCURA 100K|ONCOL 65K|LLANCAHUE 45K|COLLICO 20K|CAU CAU 12K NOCTURNO|ISLA TEJA 6K) |
Valdivia, Los Ríos, Chile |
| 25-26 Jun 2027 |
Black Hills 100 (100 Miler|50K|50 Miler) |
Sturgis, South Dakota, United States |
| 25 Jun 2027 |
Copper Kings 100 (100 Miler) |
Butte, Montana, United States |
| 25 Jun 2027 |
Ragnar Trail South Cascades (Yellow Loop|Red Loop|Green Loop) |
Crescent Lake, Oregon, United States |
| 26 Jun 2027 |
Western States (100-Mile Endurance Run) |
Squaw Valley, California, United States |
| 26-27 Jun 2027 |
Ultra Trail Whistler by UTMB (100K|50K|25K|10K) |
Whistler, British Columbia, Canada |
| 26 Jun 2027 |
Life Time Lutsen 99er (99er|59er|45er|29er) |
Lutsen, Minnesota, United States |
| 26 Jun 2027 |
Truckee Tahoe Gravel (Long Course|Short Course|Medium Course) |
Truckee, California, United States |
| 26 Jun 2027 |
Life Time Leadville Trail Marathon & Heavy Half (Marathon|Heavy Half) |
Leadville, Colorado, United States |
| 26 Jun 2027 |
Rock River Canyon (50K|27K) |
Munising, Michigan, United States |
| 26 Jun 2027 |
Running with the Devil (Marathon|50K|10K|5K|Half Marathon) |
Las Vegas, Nevada, United States |
| 26 Jun 2027 |
Minotaur SkyRace (32k) |
Crowsnest Pass, Alberta, Canada |
| 26 Jun 2027 |
Glacier Half Marathon (Half Marathon) |
Browning, Montana, United States |
| 26 Jun 2027 |
McCall Trailrunning Classic (50K|30K) |
Mccall, Idaho, United States |
| 01 Jul 2027 |
Canadian Death Race (125 km) |
Grande Cache, Alberta, Canada |
| 03 Jul 2027 |
Pen Llyn Ultra (50 Miles|75 Miles|100 Miles) |
Y Ffor, Wales, United Kingdom |
| 03 Jul 2027 |
Hood Hundred (100 Miler) |
Hood River County, Oregon, United States |
| 04 Jul 2027 |
Firecracker 5k & 10k (10k|5k) |
Bryson City, North Carolina, United States |
| 06 Jul - 10 Sep 2027 |
HOKA UTMB Mont-Blanc (CCC|UTMB|OCC|ETC|MCC|TDS|PTL) |
Chamonix-mont-blanc, Haute-Savoie, France |
| 7-11 Jul 2027 |
HOKA Val d'Aran by UTMB (Camins d'Hèr - CDH|Torn dera Val d'Aran - VDA|Termières dera Libertat - TDL|Peades d'Aigua - PDA|Experiència d'Aran - EXP|SKY - Baqueira Beret|VIELHA 10K) |
Vielha, Lleida, Spain |
| 8-10 Jul 2027 |
Restonica Trail by UTMB (RT100K|UTC100M|TT50K|GT20K) |
Corte, Haute-Corse, France |
| 9-11 Jul 2027 |
Trail Verbier St Bernard by UTMB (X-Alpine|Verbier X-Plore|X-Traversée|Verbier Marathon X-Treme|Verbier Marathon) |
Verbier, Valais, Switzerland |
| 09 Jul 2027 |
Hardrock Endurance Run (100 Miler) |
Silverton, Colorado, United States |
| 10 Jul 2027 |
Dances with Dirt Devil's Lake (13.1M|10K|50K|26.2M|50M) |
Baraboo, Wisconsin, United States |
| 10 Jul 2027 |
Life Time Leadville Silver Rush 50 (50 Miler) |
Leadville, Colorado, United States |
| 10 Jul 2027 |
Stunner Night Runs (50K|25K|12K|6K) |
Mesa, Arizona, United States |
| 10 Jul 2027 |
Ironstone 100K (Ironstone 100K) |
Hollidaysburg, Pennsylvania, United States |