Ultra Running Hub Race Calendar
141 races in April 2027 · upcoming
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01 Delirious W.E.S.T. 100 Miler trail 01 Last Legs Backyard Ultra trail 03 XX Copa Argentina de Ultradistancia trail 03 CT 123 trail 03 Leatherwood Ultras 100 Mile trail 03 Leatherwood Ultras 50 Mile trail 03 Leatherwood Ultras 50 Km trail 03 Oak Mountain 50km Race trail 03 Behind the Rocks 50 Mile Race trail 03 Behind the Rocks 50Km Race trail 03 Muddy Duck (The Fluffy Duck) trail 03 Big Buffalo 50 Mile Endurance Run trail 03 Big Buffalo 50 Km Endurance Run trail 03 Mäschder Drehwurm 12 Stundenlauf trail 03 Yareta Trail Run trail 03 Genesee Valley Ultra trail 03 Hells Hills 50 Mile Race trail 03 Hells Hills 50km Race trail 03 Brazos Legend 50mi trail 03 Double Chubb 50k trail 03 Beast of the Brazos trail 03 Outlast Arkansas trail 03 The Bullshit Backyard Ultra trail 03 Festival de UltraFondo Burjassot - 100k trail 03 Festival de UltraFondo Burjassot - 50k trail 03 American River 50 Mile Endurance Run trail 03 MFAMTL - Maybe the First Annual Maybe the Last 6h trail 03 Lake Zuri 100 Endurance Run trail 04 Festival de UltraFondo Burjassot - 12h trail 04 Festival de UltraFondo Burjassot - 6h trail 07 Lithgow Ridgy-Didge 50km trail 09 Dog Creek Timber Trail - 100 Miles (plus 100Km, 50Mi, 50km, 24h, 12h) trail 10 Gorge Waterfalls 100K trail 10 Troublesome Hollow 50K trail 10 Englishs Ridge Rumble 50 Km trail 10 BiMa 100 HTN trail 10 PUMelchen 2027 trail 10 PiesBERG-Ultra-Marathon trail 10 Death by 5k Memphis trail 10 Ozarks Foothills 50 km Race trail 10 Knobstone 50 trail 10 Ancient Lakes 50 Mile Trail Run trail 10 Ancient Lakes 50 km Trail Run trail 10 The Zion 60 km Run trail 10 Southern Cross 24 Hour - 24/12/6h trail 10 Mad City 50K Road Race trail 10 Chief Ladiga 100 - 50 Miles trail 10 Chief Ladiga 100 - 50 Km trail 10 Desert Peak Ultra trail 10 Olympic Adventure Trail (OAT) Run trail 10 James River Trail Runs trail 10 Rose of the Shires Ultra 54 trail 10 Walla Walla 6 Hour Race trail 10 Rim Runner 50 Mile Trail Race trail 10 Rim Runner 50 km Trail Race trail 10 Brazos Bend 50 - 50 km trail 10 Brazos Bend 50 - 50 Mile trail 11 Gorge Waterfalls 50k trail 11 NoCo Urban Ultra and Relay trail 11 Trail Plus 80 Km Trail Del Volcán Petzl trail 11 Trail Plus 50 Km Trail De La Casa Del Árbol Petzl trail 11 Mountains to Sea Challenge trail 17 Butcombe Trail Ultra 50mi trail 17 Butcombe Trail Ultra 50km trail 17 Ith-Hils-Ultratrail trail 17 Venner Moor Ultramarathon trail 17 The Firefly Trail Run trail 17 Loop The Hooch 50k trail 17 Backyard Ultra Club Kona trail 17 Whiskey Basin 60 km Trail Run trail 17 Whiskey Basin 91 km Trail Run trail 17 Red Rocks of Sedona East Side The VUE 50 Miles trail 17 Red Rocks of Sedona East Side The VUE 34 Miles trail 17 Mendocino Coast 50K Ultra Trail Run trail 17 Spitfire Ultra Trail Challenge trail 17 Rattler Trail Race 50K trail 17 Blue Ridge Double Marathon trail 17 Rock/Creek Stillhouse 100 km Race trail 17 Outlands trail 17 Leona Divide 100 Km Run trail 17 Leona Divide 50 Mile Run trail 17 Leona Divide 50 km Run trail 17 Shore2Shore Trail Race trail 17 Capitan Mountain 34 Hour trail 17 Run to Remember trail 17 Traprock 50k Ultramarathon trail 17 Hyner View Trail Challenge 50 Km trail 17 Funest 50k trail 17 West Texas 50mi Ultra trail 17 West Texas 50km Ultra trail 17 The 12 Hour Lions Roar Trail Race trail 17 The 6 Hour Lions Roar Trail Race trail 17 TTR Backyard Ultra trail 17 Silver Moon Race 6 Hour Race trail 17 Southern Grit Endurance Challenge trail 17 Southern Grit Endurance Challenge Ruck trail 17 Merus trail 17 Spring Fever 8 Hours trail 18 Maroondah Dam Trail Run trail 18 TARC Dont Run Boston (DRB) 50 Miles trail 18 TARC Dont Run Boston (DRB) 50K Split trail 18 Fuji 5 Lakes Sparta Challenge trail 18 Fuji 4 Lakes 100 km Challenge trail 18 Fuji 4 Lakes 80 km Challenge trail 18 Fuji 3 Lakes 62 km Challenge trail 23 Ultratrail Fränkische Schweiz - Ultratraill (102km) trail 24 Pick Your Poison 50K Trail Run trail 24 Harzquerung trail 24 Earth Day Buckle Mania 12h trail 24 Royal Gorge Groove trail 24 TARC Spring Classic 50 km trail 24 Rockin Choccolocco 50K trail 24 Pandoras Box of Rox 50 Mile trail 24 Skunk Ape 50 Mile Endurance Run trail 24 Locomotion 12 Hour Run trail 24 Locomotion 6 Hour Run trail 24 Cheyenne Mountain Trail Race trail 24 Childish Nonsense 50 Mile Race trail 24 Childish Nonsense 50 km Race trail 24 Thelma and Louise Marathon trail 24 Thumb Coast Ultra 50 Mile trail 24 Thumb Coast Ultra 50 Km trail 24 SPASM Lake Chabot 50 km trail 24 Ultra Monplaisir 6h trail 24 Ultra Monplaisir 12h trail 24 Dunes 50 km Run trail 24 Glacial Esker 12h AM trail 24 Glacial Esker 6h trail 24 Zittauer Gebirgslauf 50km trail 24 Ultratrail Fränkische Schweiz - Longtrail (66km) trail 24 Marmaris Medium Trail 48km trail 24 Vale of Glamorgan Coastal Ultra 32 Miles trail 25 Mighty Oak Memorial Run trail 25 Jack Bristol Lake Waramaug 100km Ultra Marathon trail 25 Jack Bristol Lake Waramaug 50mi Ultra Marathon trail 25 Jack Bristol Lake Waramaug 50km Ultra Marathon trail 25 Spokane River Run 50K trail 26 Julsø Ultra 60km trail 30 Adventure Race 2026 trail 30 Salt Flats 50 Mile trail 30 Salt Flats 50 Km trail