Ultramarathon Races 2026
Browse upcoming ultramarathon running races worldwide. Find events with dates, locations, and registration links.
200 races found
Potawatomi Trail Runs
Potawatomi Trail Runs is a 322 km ultramarathon trail race held in Pekin, IL. The event takes place in April 2026.
Mustang Trail Race
Zumbro Endurance Run
Zumbro Endurance Run is a 161 km ultramarathon trail race held in Theilman, MN. The event takes place in April 2026.
Dog Creek Timber Trail Ultra
Dog Creek Timber Trail Ultra is a ultra road race held in Hanmer Heritage Forest, Hanmer, New Zealand. The event takes place in April 2026.
The Next Loop: 50-Mile Challenge - New England
The Next Loop: 50-Mile Challenge - New England is a 81 km ultra trail race held in Wrentham, MA. The event takes place in April 2026.
Forget the PR Mohican 50k
Forget the PR Mohican 50k is a 50 km ultra trail race held in Loudonville, OH. The event takes place in April 2026.
Magnolia Magic River Trail Run
Magnolia Magic River Trail Run is a 50 km ultra trail race held in Pilot Hill, CA. The event takes place in April 2026.
Merus Marathon & Ultra
Merus Adventure Park, located in the Palo Duro Canyon offers huge elevation gains throughout the land. The base elevation at the rim of the canyon is 3,412 feet above sea level.
Sandras Adventure Trail
Sandras Adventure Trail is a 80 km ultra trail race held in Köyceğiz, Turkey. The event takes place in April 2026.
Desert Peak Ultra
Desert Peak Ultra is a 100 km ultramarathon trail race held in Oracle, AZ. The event takes place in April 2026.
JW Corbett Trail Races
JW Corbett Trail Races is a 50 km ultra trail race held in Loxahatchee, FL. The event takes place in April 2026.
Knobstone 50
Knobstone 50 is a 81 km ultra trail race held in Borden, IN. The event takes place in April 2026.
33 Ultra
***REGISTER BY APRIL 1st TO GUARANTEE A T-SHIRT THE DAY OF THE RACE***( Test your physical and spiritual strength along this 33 mile course in rural southeast Nebraska. NON-COMPETITIVE EVENT - It is untimed.
Lake McMurtry Run
Lake McMurtry Run is a 50 km ultra trail race held in Stillwater, OK. The event takes place in April 2026.
KRSUltra
KRSUltra is a 60 km ultra road race held in Kristiansand, Norway. The event takes place in April 2026.
Deja Vu
Deja Vu is a 50 km ultra trail race held in Las Vegas, NV. The event takes place in April 2026.
Chief Ladiga 100
Chief Ladiga 100 is a 50 km ultra trail race held in Jacksonville, AL. The event takes place in April 2026.
Oh Henry! Go Henry! 30 Hour Ultra Run Festival
Let's help Henry complete his 50 miler in Mississippi. (If you don't know Henry...well, we will introduce you to a legend.) No, you don't have to do 50 miles, but you can do as many or as few miles as you desire in the 30 hour time frame.
Two Oceans Marathon
Gil's Galavant Backyard Ultra
Gil's Galavant Backyard Ultra is a ultra road race held in Wallumbilla, Australia. The event takes place in April 2026.
Zion Ultras
Zion Ultras is a 100 km ultramarathon trail race held in Apple Valley, UT. The event takes place in April 2026.
Oriflamme
Oriflamme is a 50 km ultra trail race held in Julian, CA. The event takes place in April 2026.
Flint Hills 50 and Marathon
Flint Hills 50 and Marathon is a 81 km ultra trail race held in Manhattan, KS. The event takes place in April 2026.
Lake Sonoma 100K & 50K
Lake Sonoma 100K & 50K is a 100 km ultramarathon trail race held in Healdsburg, CA. The event takes place in April 2026.
Ancient Lakes Trail Run
Ancient Lakes Trail Run is a 50 km ultra trail race held in Quincy, WA. The event takes place in April 2026.
Borneo Ultra Trail Marathon
Serengeti Trail Races
Serengeti Trail Races is a 50 km ultra trail race held in Erda, UT. The event takes place in April 2026.
New River Trail Races
New River Trail Races is a 100 km ultramarathon trail race held in Fries, VA. The event takes place in April 2026.
James River Trail Runs
James River Trail Runs is a 50 km ultra trail race held in Gladstone, VA. The event takes place in April 2026.
Rim Runner Trail Races
Rim Runner Trail Races is a 50 km ultra trail race held in Sewanee, TN. The event takes place in April 2026.
Madeira Island Ultra Trail
Madeira Island Ultra Trail is a 115 km ultramarathon trail race held in Funchal, Madeira, Portugal.
Leatherwood Marathons
Leatherwood Marathons is a 50 km ultra trail race held in Ferguson, NC. The event takes place in April 2026.
2 Rivers Backyard Ultra
2 Rivers Backyard Ultra is a ultra road race held in Echuca, Australia. The event takes place in April 2026.
Carousel Backyard Ultra
Carousel Backyard Ultra is a ultra road race held in Alexandra, New Zealand. The event takes place in April 2026.
Rose of the Shires Ultra & Rosebud Marathon
Rose of the Shires Ultra & Rosebud Marathon is a marathon road race held in Brixworth, Northampton, United Kingdom. The event takes place in April 2026.
Runamuck 50k
Runamuck 50k is a 50 km ultra trail race held in South Pomfret, VT. The event takes place in April 2026.
Cape Verde Ribeira Trail
EuroBEC Granfondo
EuroBEC Granfondo is a 148 km ultramarathon road race held in Campo Maior, Portugal. The event takes place in April 2026.
Peterson Ridge Rumble
Peterson Ridge Rumble is a 64 km ultra trail race held in Sisters, OR. The event takes place in April 2026.
Ethias 15km Liège Métropole
Ethias 15km Liège Métropole is a 45 km trail race held in Liège, Belgium. The event takes place in April 2026.
NoCo Urban Ultra & Relay
50 Mile Solo Race 100 Mile Solo Race 50 Mile Relay Race 100 Mile Relay Race Join miles.Beyond in celebrating the Poudre River Trail. This long-distance race takes you on a sprawling tour of Northern Colorado via the picturesque Poudre River Trail.
Iznik Ultra Marathon
Iznik Ultra Marathon is a 165 km ultramarathon road race held in Iznik, Turkey. The event takes place in April 2026.
Silk Route Ultra Trail - SRUT
TRITON 1 Salvador
Calistoga Mountain Run
Calistoga Mountain Run is a 50 km ultra trail race held in Calistoga, CA. The event takes place in April 2026.
DT Stone Anvil
DT Stone Anvil is a 322 km ultramarathon trail race held in Chatsworth, GA. The event takes place in April 2026.
Run4Kids Ultra Running Party
Whether you're participating in the 6 hour, the 12 hour, running the 24 hour Ultra divisions, pushing for a 100 mile PR, or simply supporting a friend, this event is always FUN. And most importantly it's all about the kids.
Doliho Ultra-Marathon
Doliho Ultra-Marathon is a 111 km ultramarathon road race held in Δελφοί, Greece. The event takes place in April 2026.
PEAK to PEAK to PEAK Relay and ULTRA Marathon.
PEAK to PEAK to PEAK Relay and ULTRA Marathon. is a marathon trail race held in Omaha, NE. - The Peak to Peak to Peak Relay & The Long Marathon (28 Miles).
Loud Thunder 50
Loud Thunder 50 is a 50 km ultra trail race held in Illinois City, IL. The event takes place in April 2026.
English's Ridge Rumble
English's Ridge Rumble is a 50 km ultra trail race held in Fayetteville, NY. The event takes place in April 2026.
Rattler Trail Race
Rattler Trail Race is a 50 km ultra trail race held in Colorado Springs, CO. The event takes place in April 2026.
Run to Remember
Run to Remember is a 50 km ultra trail race held in Sykesville, MD. The event takes place in April 2026.
Funest 50k @ Carter Rd
Funest 50k @ Carter Rd is a 50 km ultra trail race held in Mulberry, FL. The event takes place in April 2026.
Traprock 50
Traprock 50 is a 50 km ultra trail race held in Bloomfield, CT. The event takes place in April 2026.
Sierra Azul Trail Challenge
Sierra Azul Trail Challenge is a 50 km ultra trail race held in San Jose, CA. The event takes place in April 2026.
Spring Trail Series by Ultra X
Spring Trail Series by Ultra X is a 110 km ultramarathon trail race held in West Sussex. The event takes place in April 2026.
The "VUE"
The "VUE" is a 81 km ultra trail race held in Sedona, AZ. The event takes place in April 2026.
Mendocino Coast 50K
Mendocino Coast 50K is a 50 km ultra trail race held in Mendocino, CA. The event takes place in April 2026.
FlatRock 101
FlatRock 101 is a 101 km ultramarathon trail race held in Independence, KS. The event takes place in April 2026.
Woodside/Purisima Creek Crossover
Woodside/Purisima Creek Crossover is a 50 km ultra trail race held in Redwood City, CA. The event takes place in April 2026.
GranFondo Riviera Nayarit
Hyner Trail Challenge
Hyner Trail Challenge is a 50 km ultra trail race held in Hyner, PA. The event takes place in April 2026.
Ultra X Spring Trail Series
Ultra X Spring Trail Series is a ultra road race held in Midhurst, West Sussex, United Kingdom. The event takes place in April 2026.
Sydney's Backyard Ultra
Sydney's Backyard Ultra is a ultra road race held in St Ives, Mona Vale, Australia. The event takes place in April 2026.
Goathland V Trigs Ultra Challenge
Goathland V Trigs Ultra Challenge is a ultra road race held in Goathland, Whitby, United Kingdom. The event takes place in April 2026.
World's Fair Ultras
World's Fair Ultras is a 100 km ultramarathon trail race held in Knoxville, TN. The event takes place in April 2026.
Leona Divide
Leona Divide is a 100 km ultramarathon trail race held in Lake Hughes, CA. The event takes place in April 2026.
Gulf Coast Grind
Gulf Coast Grind is a 50 km ultra trail race held in Freeport, TX. The event takes place in April 2026.
Earth Day 50k/15 Mile/5 Mile
Earth Day 50k/15 Mile/5 Mile is a 50 km ultra trail race held in Crystal Lake, IL. The event takes place in April 2026.
NYC 50k - Stair Set of Doom Ultra
The 3rd Annual NYC Stair Set of Doom Ultra isn’t your average race, it’s an adventure through the heart of New York City, where every mile tells a story and every staircase is a challenge. Covering 33+ miles across city streets, parks, and dirt trails, this race gives you a raw, unfiltered experience of the city’s most iconic spots and hidden gems.
Squak Mountain
Squak Mountain is a 50 km ultra trail race held in Issaquah, WA. The event takes place in April 2026.
Spitfire Ultra Trail Challenge
Spitfire Ultra Trail Challenge is a 55 km ultra trail race held in Menan, ID. The event takes place in April 2026.
Outlands Endurance Races
Outlands Endurance Races is a 50 km ultra trail race held in Pilot Hill, CA. The event takes place in April 2026.
Cedro Peak
Cedro Peak is a 50 km ultra trail race held in Tijeras, NM. The event takes place in April 2026.
Fondren Urban Ultra
Fondren Urban Ultra is a ultra trail race held in Jackson, MS. The event takes place in April 2026.
Shore2Shore
Shore2Shore is a 50 km ultra trail race held in East Islip, NY. The event takes place in April 2026.
Froggy Mountain Sweet Sixteen 50k
Froggy Mountain Sweet Sixteen 50k is a 50 km ultra trail race held in Galax, VA. The event takes place in April 2026.
Made for More Ultra
Made for More Ultra is a ultra trail race held in Sunset, LA. At the top of every hour, participants will complete a 4.2-mile loop.
Zane Grey Highline Trail Runs
Zane Grey Highline Trail Runs is a 50 km ultra trail race held in Payson, AZ. The event takes place in April 2026.
Whiskey Basin Trail Runs
Whiskey Basin Trail Runs is a 91 km ultra trail race held in Prescott, AZ. The event takes place in April 2026.
Coyote Trail Run
Coyote Trail Run is a 50 km ultra trail race held in Cleburne, TX. The event takes place in April 2026.
Gunpowder Keg Ultra
Gunpowder Keg Ultra is a 50 km ultra trail race held in Parkton, MD. The event takes place in April 2026.
Uforea
Uforea is a 50 km ultra trail race held in Troy, NC. The event takes place in April 2026.
Run with the Goats
Run with the Goats is a 50 km ultra trail race held in Kennewick, WA. The event takes place in April 2026.
Prospect Acres 8 hour ultra
Do you have what it takes to run 2 mile loops for 8 hours? 230 ft of elevation gain per lap.
Rat Race Ultra Tour of Arran
Rat Race Ultra Tour of Arran is a ultra road race held in Isle of Arran, Scotland, United Kingdom. The event takes place in April 2026.
Marmaris Ultra
Marmaris Ultra is a 100 km ultramarathon trail race held in Marmaris, Turkey. The event takes place in April 2026.
WTR Nova Lima
High Atlas Ultra Trail
MW Challenge Triathlon Bodrum
BC Backyard Ultra
BC Backyard Ultra is a ultra trail race held in Sicamous, BC. The event takes place in April 2026.
Elm Creek Backyard Ultra
Elm Creek Backyard Ultra is a ultra trail race held in Maple Grove, MN. The event takes place in April 2026.
On the Dam Trail: Quemahoning Relay Race
On the Dam Trail: Quemahoning Relay Race is a 50 km ultra trail race held in Hooversville, PA. The event takes place in April 2026.
Machete Trail Madness 100k
Machete Trail Madness 100k is a 100 km ultramarathon trail race held in Perris, CA. The event takes place in April 2026.
Butcombe Trail Ultra
Butcombe Trail Ultra is a ultra road race held in Mendip Activity Centre, Mendips, United Kingdom. The event takes place in April 2026.
Total Coastal Ultra, Half Marathon & 10K
Total Coastal Ultra, Half Marathon & 10K is a 10K road race held in Kingswear to Shaldon, Devon, United Kingdom. The event takes place in April 2026.
C&O Canal 100
C&O Canal 100 is a 161 km ultramarathon trail race held in Knoxville, MD. The event takes place in April 2026.
Coopers Rock 50 km and Half Marathon Night Run
Coopers Rock 50 km and Half Marathon Night Run is a 50 km ultra trail race held in Bruceton Mills, WV. The event takes place in April 2026.
Cheyenne Mountain Trail Race
Cheyenne Mountain Trail Race is a 50 km ultra trail race held in Colorado Springs, CO. The event takes place in April 2026.
Frisco Railroad Run
Frisco Railroad Run is a 50 km ultra trail race held in Willard, MO. The event takes place in April 2026.
Falcon 50
Falcon 50 is a 81 km ultra trail race held in Colorado Springs, CO. The event takes place in April 2026.
Chippewa Trail Races
Chippewa Trail Races is a 50 km ultra trail race held in New Auburn, WI. The event takes place in April 2026.
Bronze Dragonfly 30 Hour Ultra
Bronze Dragonfly 30 Hour Ultra is a ultra trail race held in Savannah, GA. The event takes place in April 2026.
Sinister Night Runs
Sinister Night Runs is a 54 km ultra trail race held in Queen Creek, AZ. The event takes place in April 2026.
Falling Water Ultras
Falling Water Ultras is a 100 km ultramarathon trail race held in New River Gorge National Park, WV. The event takes place in April 2026.
Troublesome Hollow 50K
Troublesome Hollow 50K is a 50 km ultra trail race held in bristol, VA. The event takes place in April 2026.
Skunk Ape 100 Mile Endurance Run
Skunk Ape 100 Mile Endurance Run is a 161 km ultramarathon trail race held in Ocala, FL. The event takes place in April 2026.
Hells Dells
Hells Dells is a 50 km trail race held in Prescott, AZ. The event takes place in April 2026.
Mile 0 Flint Hills Trail Race
Mile 0 Flint Hills Trail Race is a 50 km ultra trail race held in Osawatomie, KS. The event takes place in April 2026.
Dunes 50K Ultra & Heavy Half
Dunes 50K Ultra & Heavy Half is a 50 km ultra trail race held in Hobe Sound, FL. The event takes place in April 2026.
Promise Land
Promise Land is a 50 km ultra trail race held in Bedford, VA. The event takes place in April 2026.
Thelma and Louise Marathon and Half
Thelma and Louise Marathon and Half is a 50 km ultra trail race held in Moab, UT. The event takes place in April 2026.
Thumb Coast Ultra & Relay - 50 Mile, 50K, & 50 Mile Relay
Thumb Coast Ultra & Relay – April 25, 2026 Thumb Coast Ultra & Relay is a one-of-a-kind spring ultramarathon in Michigan’s Thumb. On Saturday, April 25, 2026, runners and ruckers will take on the challenge of racing from Lake Huron in Harbor Beach to Saginaw Bay in Caseville in the 50 Mile division—or team up with friends for.
Black Mountain Ultra
GUMBY - Great Ultra Mediocre Back Yarder
GUMBY - Great Ultra Mediocre Back Yarder is a ultra road race held in Blue Range Hut, Blue Range Road, Australia. The event takes place in April 2026.
Faultline Ultra
Faultline Ultra is a ultra road race held in Wellington, New Zealand. The event takes place in April 2026.
Titi Ultra Ride
Rockin Choccolocco 50K - 25K - 10K
Rockin Choccolocco 50K - 25K - 10K is a 50 km ultra trail race held in Heflin , AL. The event takes place in April 2026.
Wold Rangers Way Ultra
Wold Rangers Way Ultra is a ultra road race held in Driffield, Yorkshire, United Kingdom. The event takes place in April 2026.
Bonneville Backyard Ultra
Bonneville Backyard Ultra is a ultra trail race held in Provo, UT. The event takes place in April 2026.
Childish Nonsense
Childish Nonsense is a 50 km ultra trail race held in Palatine, IL. The event takes place in April 2026.
Weiser River 50k Ultra & Relay
Weiser River 50k Ultra & Relay is a 50 km ultra trail race held in Council, ID. The event takes place in April 2026.
Forth Ultra & Team Relay
Forth Ultra & Team Relay is a ultra road race held in Helix Park, Falkirk, United Kingdom. The event takes place in April 2026.
Las Virgenes Canyon Ultra Trail Races
Las Virgenes Canyon Ultra Trail Races is a 100 km ultramarathon trail race held in Los Angeles (West Hills), CA. The event takes place in April 2026.
Royal Gorge Groove
Royal Gorge Groove is a 50 km ultra trail race held in Cañon City, CO. The event takes place in April 2026.
Desert Wolf
Desert Wolf is a 100 km ultramarathon trail race held in Johnson City, TX. The event takes place in April 2026.
The Medieval Backyard Ultra
The Medieval Backyard Ultra is a ultra road race held in Cosmeston Country Park, Penarth, United Kingdom. The event takes place in April 2026.
Great Southern Endurance Run
Great Southern Endurance Run is a 100 km ultramarathon trail race held in Marietta, GA. The event takes place in April 2026.
Love Tiles Douro Granfondo
Love Tiles Douro Granfondo is a 141 km ultramarathon road race held in Peso da Régua, Portugal. The event takes place in April 2026.
Merrell Hobbit 90km Nonstop
Ultra Wanaka
Ultra Wanaka is a ultra road race held in Wānaka, Otago, New Zealand. The event takes place in April 2026.
Titi Ultra
Kailas Fuga Beijing Huairou 100 Mountain Running Race
Cobscook Backyard Ultra
Cobscook Backyard Ultra - 50K or 50 miles. Sunday April 26* The Event : Come and run an easy 5 Km or 4.167 mile (6.706 Km) loops - just a stroll in the Park.
Jack Bristol Lake Waramaug Ultra Races
Jack Bristol Lake Waramaug Ultra Races is a 100 km ultramarathon trail race held in Kent, CT. The event takes place in April 2026.
Long Creek 60k
Long Creek 60k is a 60 km ultra trail race held in Virginia Beach, VA. The event takes place in April 2026.
Costa Rica 200
Costa Rica 200 is a 322 km ultramarathon trail race held in San Jose. The event takes place in April 2026.
Ultra La Isla, ULTRAMAN TRIATLON
Wadi Rum Full Moon Ultra Marathon
Salt Flats Endurance Runs
Salt Flats Endurance Runs is a 100 km ultramarathon trail race held in Wendover, UT. The event takes place in May 2026.
Portland Pig BackYard Ultra
Portland Pig BackYard Ultra is a ultra road race held in Portland, United Kingdom. The event takes place in May 2026.
Coyote Two Moon
Coyote Two Moon is a 100 km ultramarathon trail race held in Ojai, CA. The event takes place in May 2026.
San Diego 100
San Diego 100 is a 161 km ultramarathon trail race held in Lake Cuyamaca, CA. The event takes place in May 2026.
Ultra Blue Island by Azores Trail Run 2026
Ultra Blue Island by Azores Trail Run 2026 is a 118 km ultramarathon trail race held in Horta - Azores Islands. The event takes place in May 2026.
MDH BUCK-FIFTY ULTRA ENDURANCE RACE
How do you make the RADDEST race, in the BADDEST place just a little bit RADDER and whole lot BADDER? Add on 50 more miles of rugged Badlands single track, and then give people the option to complete it all in one day, two days, three days, or six days of riding… intrigued?
Wild Wild West Marathon & Ultra
Wild Wild West Marathon & Ultra is a 50 km ultra trail race held in Lone Pine, CA. The event takes place in May 2026.
Collegiate Peaks Trail Run
Collegiate Peaks Trail Run is a 81 km ultra trail race held in Buena Vista, CO. The event takes place in May 2026.
The Next Loop: 50 Mile Challenge - Tyler, TX
The Next Loop: 50 Mile Challenge - Tyler, TX is a 81 km ultra trail race held in Tyler, TX. The event takes place in May 2026.
Oxbow 50k
Oxbow 50k is a 50 km ultra trail race held in Spruce Woods Provincial Park, MB. The event takes place in May 2026.
Heartland 50
Heartland 50 is a 50 km ultra trail race held in Cassoday, KS. The event takes place in May 2026.
The Malvern Hills Ultra
The Malvern Hills Ultra is a ultra road race held in Abberley, Worcester, United Kingdom. The event takes place in May 2026.
DENFIT ULTRA
TEST YOURSELF This isn't your ordinary Ultra - this is a DENFIT Ultra. DENFIT will make its Buffalo debut at Buffalo Ski Center in Colden, NY.
Koh Chang Tai Charity Trail
Koh Chang Tai Charity Trail is a 84 km ultra trail race held in Trat, Thailand. The event takes place in May 2026.
TutHell 50K
TutHell 50K is a 50 km ultra trail race held in Sioux Falls, SD. The event takes place in May 2026.
Gomeda Ultra Trail
Ultra X Scotland
Ultra X Scotland is a ultra road race held in Inverness to Dores, Scotland, United Kingdom. The event takes place in May 2026.
The Big Deal at Great Seal
The Big Deal at Great Seal is a 100 km ultramarathon trail race held in Chillicothe, OH. The event takes place in May 2026.
Riverlands 100
Riverlands 100 is a 161 km ultramarathon trail race held in Turner, ME. The event takes place in May 2026.
Tengri Ultra Trail
McDonald Forest
McDonald Forest is a 50 km ultra trail race held in Corvallis, OR. The event takes place in May 2026.
Hacienda Hills Trail Run - Spring
Hacienda Hills Trail Run - Spring is a 50 km ultra trail race held in San Jose, CA. The event takes place in May 2026.
Folsom Lake Trail Run
Folsom Lake Trail Run is a 50 km ultra trail race held in Folsom, CA. The event takes place in May 2026.
The Oldman Backyard Ultra
The Oldman Backyard Ultra is a ultra trail race held in Lethbridge, AB. The event takes place in May 2026.
Bristol Backyard Ultra
Bristol Backyard Ultra is a ultra road race held in Blaise Castle Estate, Bristol, United Kingdom. The event takes place in May 2026.
Strolling Jim 40 Miler
Strolling Jim 40 Miler is a 64 km ultra trail race held in Wartrace, TN. The event takes place in May 2026.
Sasquatch Shuffle TX
Sasquatch Shuffle TX is a 100 km ultramarathon trail race held in Grapeland, TX. The event takes place in May 2026.
Grayson Highlands 50 Mile / 50k / 25k
Grayson Highlands 50 Mile / 50k / 25k is a 50 km ultra trail race held in Mouth of Wilson, VA. The event takes place in May 2026.
Fife Pilgrim Way Ultra Marathon
Fife Pilgrim Way Ultra Marathon is a marathon road race held in North Queensferry to St Andrews, Fife, United Kingdom. The event takes place in May 2026.
Wilsons Prom 100
Esk Valley Epic Trail Ultra
Esk Valley Epic Trail Ultra is a ultra road race held in Glaisdale, Cumbria, United Kingdom. The event takes place in May 2026.
The Big 50
The Big 50 is a 50 km ultra trail race held in Pine Mountain, GA. The event takes place in May 2026.
Champa Ultra Race
Sisters Country
Sisters Country is a 50 km ultra trail race held in Sisters, OR. The event takes place in May 2026.
Ultra Blue Island by Azores Trail Run
Ultra Blue Island by Azores Trail Run is a 118 km ultramarathon trail race held in Horta, Portugal. The event takes place in May 2026.
Collegeville Ultra
Collegeville Ultra is a 50 km ultra trail race held in Collegeville, MN. The event takes place in May 2026.
The Blue 2 Blue Challenge
The Blue 2 Blue Challenge is a 50 km ultra trail race held in New Haven, CT. The event takes place in May 2026.
Amazean Jungle Thailand by UTMB
Chefchaouen International Trail
Chefchaouen International Trail is a 82 km ultra trail race held in chefchaoue. The event takes place in May 2026.
Chefchaouen International Trail
Run for Kids Challenge
Run for Kids Challenge is a 50 km ultra trail race held in Pelham, AL. The event takes place in May 2026.
Issyk Kul Six-Day Challenge
Best Dam Backyard Ultra
Best Dam Backyard Ultra is a ultra road race held in Otematata, New Zealand. The event takes place in May 2026.
Jumla-Rara Ultra Marathon
East Texas Ultra
East Texas Ultra is a 50 km ultra trail race held in Mineola, TX. The event takes place in May 2026.
Dublin Mountain Backyard Ultra
Dublin Mountain Backyard Ultra is a ultra road race held in Ballinascorney, Dublin Mountains, Ireland. The event takes place in May 2026.
Prairie Goat Ultra
Prairie Goat Ultra is a ultra trail race held in Broadview, MT. The event takes place in May 2026.
Grind on the Grid Backyard Ultra
Grind on the Grid Backyard Ultra is a ultra trail race held in Wingate, IN. The event takes place in May 2026.
The Next Loop: 50-Mile Challenge - Pinnacle Mountain (May)
The Next Loop: 50-Mile Challenge - Pinnacle Mountain (May) is a 64 km ultra trail race held in Roland, AR. The event takes place in May 2026.
Trail Run at Sly Park - Spring
Trail Run at Sly Park - Spring is a 50 km ultra trail race held in Pollock Pines, CA. The event takes place in May 2026.
Thunderbunny Trail Races
Thunderbunny Trail Races is a 50 km ultra trail race held in Athens, OH. The event takes place in May 2026.
South Island Ultra Marathon
South Island Ultra Marathon is a marathon road race held in Greymouth to Hokitika, New Zealand. The event takes place in May 2026.
Glacier Ridge Ultramarathon and Trail Race
Glacier Ridge Ultramarathon and Trail Race is a 50 km ultra trail race held in Portersville, PA. The event takes place in May 2026.
Jemez Mountain
Jemez Mountain is a 50 km ultra trail race held in Los Alamos, NM. The event takes place in May 2026.
Fort Morgan to Florida 50k
Fort Morgan to Florida 50k is a 50 km ultra trail race held in Fort Morgan, AL. The event takes place in May 2026.
Somabay Endurance Festival
Valkyrie Trail Race
Valkyrie Trail Race is a 50 km ultra trail race held in Colorado Springs, CO. The event takes place in May 2026.
Dublin to Belfast Ultra
Dublin to Belfast Ultra is a ultra road race held in Dublin to Belfast, Ireland. The event takes place in May 2026.
Popple Shoot Trail Races
Popple Shoot Trail Races is a 87 km ultra trail race held in Minong, WI. The event takes place in May 2026.
Dirty German Endurance Fest
Dirty German Endurance Fest is a 50 km ultra trail race held in Philadelphia, PA. The event takes place in May 2026.