| 01 May 2027 |
Take 5 in the Garden of the Gods (5K|5 Mile Trail|Double Take 9.5 Mile|5 Mile Road) |
Colorado Springs, Colorado, United States |
| 01 May 2027 |
Garmin Marathon Durham (Half Marathon|5K|Marathon|10K) |
Durham, North Carolina, United States |
| 01 May 2027 |
Thames Path 100 (100 Miles) |
London, England, United Kingdom |
| 01 May 2027 |
Miwok 100k (100k) |
Stinson Beach, California, United States |
| 01 May 2027 |
Collegiate Peaks Trail Run (25 Miler|50 Miler) |
Buena Vista, Colorado, United States |
| 01 May 2027 |
Run With All Your Heart 5k- Los Angeles (5K) |
Los Angeles, California, United States |
| 01 May 2027 |
Abrazo 5K Walk & 10K Run (10K) |
San Ysidro, California, United States |
| 01 May 2027 |
Stone Villa Wine Run 5k (5K) |
Acme, Pennsylvania, United States |
| 01 May 2027 |
Cinco de Mayo 5K presented by LIME (5K) |
Hollywood, Florida, United States |
| 01 May 2027 |
Kerman Almond Festival Scholarship Fun Run/Walk (5K) |
Kerman, California, United States |
| 01 May 2027 |
Luau 5K, & 10K at Panama City, FL (5K|10K) |
Panama City, Florida, United States |
| 01 May 2027 |
Run for Hope, Walk for Change 5K (5K) |
Clermont, Florida, United States |
| 01 May 2027 |
Luau 5K, 10K, & 13.1M at Ocala, FL (10K|5K|Half Marathon) |
Ocala, Florida, United States |
| 01 May 2027 |
Luau 5K, 10K, & 13.1M at DeBary, FL (5K|10K|Half Marathon) |
Debary, Florida, United States |
| 01 May 2027 |
Pelican Run 5k (5K) |
Miami Beach, Florida, United States |
| 01 May 2027 |
Ole Ole 5K - Orlando (5K) |
Orlando, Florida, United States |
| 01 May 2027 |
RTR 5K for Recovery Run/Walk-Shining a Light on Mental Health (5K) |
Boca Raton, Florida, United States |
| 01 May 2027 |
Run Up for Heroes (5K|10K) |
Jacksonville, Florida, United States |
| 01 May 2027 |
Luau 5K, 10K, & 13.1M at Venice, FL (Half Marathon|5K|10K) |
Venice, Florida, United States |
| 01 May 2027 |
Luau 5K, 10K, & 13.1M at Holiday, FL (Half Marathon|5K|10K) |
Holiday, Florida, United States |
| 01 May 2027 |
SoCal's Cinco De Miles 5K and 5 MILE (1 Mile|5K|5 Miles) |
Huntington Beach, California, United States |
| 01 May 2027 |
Run, Fiesta, Repeat - Cinco de Mayo 5K, 10K, & Half Marathon (5K|10K|Half Marathon) |
Long Beach, California, United States |
| 01 May 2027 |
Luau 5K, 10K, & 13.1M at Biglerville, PA (10K|5K|Half Marathon) |
Biglerville, Pennsylvania, United States |
| 01 May 2027 |
NYC Race of Hope (5K) |
New York, New York, United States |
| 01 May 2027 |
Centennial School 5K Run / 2 Mile Walk (5K) |
Bethlehem, Pennsylvania, United States |
| 01 May 2027 |
Great Allegheny Ohiopyle Marathon Race Festival: Marathon, Half Marathon, 10K and 5K (5K|10K|Marathon|Half Marathon) |
Ohiopyle, Pennsylvania, United States |
| 01 May 2027 |
Greater Buffalo Track Club Grand Island Half Marathon (Half Marathon) |
Grand Island, New York, United States |
| 01 May 2027 |
Middle Finger 5K (5K) |
Geneva, New York, United States |
| 01 May 2027 |
Run the Bronx (5K|10K) |
Bronx, New York, United States |
| 01 May 2027 |
Luau 5K, & 10K at New Cumberland, PA (10K|5K) |
New Cumberland, Pennsylvania, United States |
| 01 May 2027 |
UltraTrax Greek Peak (14 Miles|28 Miles|7 Miles|21 Miles) |
Cortland, New York, United States |
| 01 May 2027 |
Lake City Running Festival (5K|10K|Half Marathon) |
Plattsburgh, New York, United States |
| 01 May 2027 |
The Office 5K (5K) |
Scranton, Pennsylvania, United States |
| 01 May 2027 |
VCP50k (50K) |
Bronx, New York, United States |
| 01 May 2027 |
5K Trail Run/Walk at Jacobsburg State Park -Benefits Wreaths Across America (5K) |
Nazareth, Pennsylvania, United States |
| 02 May 2027 |
Sisters Country (Half Marathon|50K) |
Sisters, Oregon, United States |
| 02 May 2027 |
Flying Pig Marathon (Marathon|Half|10K) |
Cincinnati, Ohio, United States |
| 3-7 May 2027 |
Cocodona (Sedona Canyons 125|Elden Crest 36|Cocodona 250) |
Rock Springs, Arizona, United States |
| 07 May 2027 |
Ragnar Trail Colorado (Red Loop|Green Loop|Yellow Loop) |
Snowmass Village, Colorado, United States |
| 07 May 2027 |
Ragnar Trail Ohio (Green Loop|Yellow Loop|Red Loop) |
Nashport, Ohio, United States |
| 07 May 2027 |
Ragnar Trail Zion (Green Loop|Yellow Loop|Red Loop) |
Orderville, Utah, United States |
| 07 May 2027 |
Hellbender 100 (100-Miler) |
Old Fort, North Carolina, United States |
| 08 May 2027 |
Breakneck Point Trail Runs (42K|21K) |
Beacon, New York, United States |
| 08 May 2027 |
Yosemite Half Marathon (Half Marathon) |
Yosemite National Park, California, 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 |
Mother's Day Run Fest (5K|Half Marathon|Kids Race (0.5 mile)) |
Lake Worth, Florida, United States |
| 08 May 2027 |
Ice Age Trail Endurance Runs (50k|Half Marathon|50 Miler) |
La Grange, Wisconsin, United States |
| 08 May 2027 |
Singletrack Stampede (10k Trail|22k Trail) |
Calabasas, California, United States |
| 08 May 2027 |
Quicksilver (100K|50K) |
San Jose, California, United States |
| 13-15 May 2027 |
HOKA Ultra-Trail Australia by UTMB (UTA50|UTA100|UTAMiler|UTA22|UTA11) |
Katoomba, New South Wales, Australia |
| 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 |
Eryri by UTMB (Eryri 100K|Eryri 100M|Eryri 80K|Eryri 50K|Eryri 25K) |
Llanberis, Wales, United Kingdom |
| 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 |
| 14 May 2027 |
UTAH 50 (UTAH 50) |
Kanab, Utah, United States |
| 14 May 2027 |
Cruel Jewel 100 (100 Miler) |
Blairesville, Georgia, United States |
| 14 May 2027 |
UTAH 115 (115 Miles) |
Kanab, Utah, United States |
| 15 May 2027 |
O'Neill Park Trail Races (50k|30k|Half Marathon|10k|Marathon) |
Trabuco Canyon, California, United States |
| 15-16 May 2027 |
Tillamook Burn Trail Run (55K|50 Miler) |
Tillamook State Forest, Oregon, United States |
| 15-16 May 2027 |
Rothrock by UTMB (25K|50K) |
State College, Pennsylvania, United States |
| 15 May 2027 |
Massanutten Mountain Trails 100 (100 Miler) |
Kings Crossing, Virginia, 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 |
UTAH 50K (50kms) |
Kanab, Utah, United States |
| 15 May 2027 |
North Downs Way 50 (50 Miles) |
Waverley, England, United Kingdom |
| 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 |
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 |
| 22 May 2027 |
North Fork 50 (50K|50 Miler) |
Buffalo Creek, Colorado, 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 May 2027 |
Grand Union Canal (145 Miles) |
Birmingham, England, United Kingdom |
| 29 May 2027 |
Run Comfy Numb Trail Run (RCN 25K|RCN 50K ) |
Whistler, British Columbia, Canada |
| 29 May 2027 |
Hotfoot Hamster (6 Hour|24 Hour|12 Hour) |
Buckeye, Arizona, United States |
| 29 May 2027 |
Bear Mountain (12 km|8 km|21 km) |
Mission, British Columbia, Canada |
| 29-30 May 2027 |
Calgary Marathon (Kids Race|Half Marathon|10K|5K|50K|Marathon) |
Calgary, Alberta, Canada |
| 30 May 2027 |
Saskatchewan Marathon (42.2k|5k|21.1.k|10k) |
Saskatoon, Saskatchewan, Canada |
| 04 Jun 2027 |
Hell Hole Hundred (100M) |
Charleston, South Carolina, United States |
| 4-5 Jun 2027 |
SAMO 100 Mile/100k (100 Miler|100K) |
Malibu, California, United States |
| 5-12 Jun 2027 |
Huron 100 (100 Miler|Waterloo-Pinckney 50) |
Grass Lake, Michigan, 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 |
mozart 100 by UTMB (mozart 100|mozart Ultra|mozart Marathon|mozart Half Marathon) |
Fuschl Am See, Salzburg, Austria |
| 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 |
Cape Mountain (50K|10K|25K) |
Florence, Oregon, United States |
| 05 Jun 2027 |
Warhammer 100 (100 Miler) |
Slade, Kentucky, United States |
| 5-6 Jun 2027 |
Ultra Trail Chattanooga by UTMB (50K|100K|20K) |
Chattanooga, Tennessee, United States |
| 06 Jun 2027 |
Marji Gesick (100 Miles) |
Forestville, Michigan, 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 |
| 11-13 Jun 2027 |
Trail 100 Andorra by UTMB (Ultra 105K|Trail 80K|Trail 50K|Trail 21K|Trail 10Km) |
Ordino, Ordino, Andorra |
| 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 |
Two Hearted Trail Run (50K|Half Marathon|Marathon) |
Paradise, Michigan, United States |
| 12 Jun 2027 |
South Downs Way 100 (100 Miles) |
Winchester, England, United Kingdom |
| 12 Jun 2027 |
Mary's Peak Trail Run (50K|25K|50 Miler) |
Blodgett, Oregon, United States |