Race Calendar

180 races in December 2026

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MSIG Taiwan Action Asia 50 trail
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Ollies Ultra 12h trail Ollies Ultra 6h trail Greenvale Backyard Ultra trail XIII Desafio Das Catedrais - 130km trail +2 more
5
Bremer Bergmarathon mit Höhenmetersammlung trail Ultra Five-O trail Backyard Ultra Piekiełki in the dark trail Heroes - Jinshui Camp Trail 50Km trail Heroes - Jinshui Camp Trail 115Km trail Isle du Bois Trail Run trail Bigfoot 50K Trail Race trail San Joaquin River Trail 50K Run trail Festivus 100 Miler Trail Run trail Colossal Vail 50 Mile trail Festivus 50 Miler Trail Run trail Colossal Vail 50 Km trail Festivus 35 Miler Trail Run trail Island View - Endurance Run trail Blood Rock 50 Mile Endurance Race trail Mosaic 50km Trail Run trail Blood Rock 55 km Race trail The Backland Race trail Shakori 40 Mile Running Festival trail The Tennessee Mile 12 Hour Run trail The Tennessee Mile 6 Hour Run trail Devil Dog Ultra 50 km Race trail McDowell Mountain Frenzy 50 Mile trail Anza Borrego Cuyamaca 50 Mile Run trail McDowell Mountain Frenzy 50 km trail Tower Tag Challenge trail Loup Garou 40 Mile Trail Run trail Cloudland Canyon 50 Mile Race trail Cloudland Canyon 50 km Race trail Lake Norman State Park Trail Race 50km trail HAROC (aka Hanging Rock Challenge) trail Krampuslauf 9h trail Caloosahatchee Ultra Run trail Sawmill 55k Race trail OTHTC High Desert 50K Ultra trail Ray Miller 50 Mile Trail Race trail Ray Miller 50 km Trail Race trail Jackson County 50-50 Ultra-marathon - 100km trail Jackson County 50-50 Ultramarathon - 50 Km trail The Guvnor Frozen 50 trail Last Chance 50 Mile Ultra Race trail Last Chance 50 km Ultra Race trail Aluminio Backyard Ultra trail Perpetual Motion 12 Hour Race trail Perpetual Motion 6 Hour Race trail RuHH 50 trail Calero Park Run 50K trail The Conquer trail Ultra Maratona dos Campos Gerais 200km trail Ultra Maratona dos Campos Gerais 150km trail Ultra Maratona dos Campos Gerais 100km trail Ultra Maratona dos Campos Gerais 50 trail XIII Desafio Das Catedrais - 100km trail XIII Desafio Das Catedrais - 70km trail Summer 48k trail Last Chance Ultra trail Taiwan Town and Country - CorinOn pilates trail Proença Cross Trail Ultra 50km trail +56 more
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Shale Trail Run trail New Forest Xmas Trail 50k trail Paderborn Nikolaus Edition trail Pine Mountain 40 Miles trail Q Trail 45 K trail Marcona Wind Trail trail Tidewater Striders Dismal Swamp 50 km Race trail Minoan Athlos trail Kumano Old Trails trail Hunter S. Thompson Fear & Loathing 50 Miles trail Hunter S. Thompson Fear & Loathing 50 Km trail Salem 50K trail +10 more
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Spiegelberger Räuberweglauf trail Spirit of Syllamo 100 Mile trail Naughty Hog trail Spirit of Syllamo 38 Mile trail Beast of the East (Monadnock Ultra) 50 Mile trail Cape Fear Hoilday Run trail Texmas Trail Race trail Daytona 100 - 50 Km Ultra trail Magnus Gluteus Maximus 50 km trail MCW The Holmdel Classic trail Bell Ringer 50k Trail Run trail RunFluent Christmas trail Desafio Wayra 50km trail Antarctic 100k Race trail The Frosty Buck Trail Race trail Ultramaratona Rei e Rainha da Serra de Minas trail Izu Trail Journey trail Narrabeen Allnighter 12 hours Trail trail Doomsday trail Soi Malai Trail Winter 45 km trail PhoMo 50k trail +19 more
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Last Legend trail X-MAS Trail trail Race Austin: Holiday Victory Lap trail Dirty December Poker Run trail Naked Nick 50 km Race trail Mel Williams Memorial Seashore (Seashore Nature Trail) trail Dallas 50 km Race trail Palmetto Bluff Buffalo Run trail Coast to Coast Boso hanto trail Meinong Ultramarathon trail +8 more
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Tucson 50K trail
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Bruny Island Ultra Marathon trail
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Meerdaalwoud Trail trail Hollands Duin Ultra trail Sleigh It trail Texas Double Saturday Run trail Bei-yi Freeway Ultra Marathon trail Lookout Mountain 50 Mile Race trail Minami-aso caldera Trail trail One-day walking - Kanto Chiho trail Tengu 100 trail Tengu 100 - 60km trail Solstice Ultra trail Outlast Austin trail Woodside Ramble 50K - Winter trail Khaoyai 100K Ultra Road Marathon trail Khaoyai 50K Ultra Road Marathon trail Chiang Dao 50 trail Rudolph & Roses trail WV Winter Solstice Endurance Run road +16 more
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Wald(Ultra)Marathon Calw trail Texas Double Sun Run trail HW 19 Ultramarathon trail Six Inch Trail 46 km Marathon trail Okinawa 100km Ultramarathon trail Okinawa 50km Ultramarathon trail Charleston Itty Bitty 50 trail SRTI Round the Island 60 trail +6 more
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CORE X50 Ultra Trail trail
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Weihnachtsultra trail Wassermühlen-Ultramarathon Rulle trail
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Vom See zum Schloss Ultramarathon trail
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Boyers Furnace 40 Mile Race trail Loop Out the Year trail Jupiter Ridge Sand Spur 50k trail Run for the Ranch 6-Hour Endurance Run trail Silbersee-Hüggel UltraTrail trail +3 more
27
Zhiyin Jiuzhen Ultra Trail trail Holiday Five Day 1 trail Round The Bay Ultra trail The Sunrise to Sunset Challenge trail Megalithgrab Sloopsteene Ultramarathon trail +3 more
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Grüntal-Winterultra trail Holiday Five Day 2 trail Across The Years, 200mi trail Across The Years, 100km trail Across the Years, 6 days trail Across the Years, 12h trail Across the Years, 6h trail Dörenther Klippen UltraTrail trail +6 more
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Holiday Five Day 3 trail Schloss Tatenhausen Ultramarathon trail
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Snowdrop Ultra 55 Hour Race trail Snowdrop Ultra 55 Hour Race - 100mi Split trail Snowdrop Ultra 55 Hour Race - 100km Split trail Snowdrop Ultra 55 Hour Race - 50mi Split trail Snowdrop Ultra 55 Hour Race - 50km Split trail Holiday Five Day 4 trail Moccasin 24 trail +5 more
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Aussie Alpine Backyard Ultra trail New Years Eve Rock around the Clock 50km trail Thousand Island Lake Off-Road Tour (UTZQ) trail Brigittes Nachtlauf in einen glücklichen "Un...Ruhestand" trail New Years One Day 100 Mi Run trail New Years One Day 24 Hour Run trail New Years One Day 12 Hour Run trail New Years One Day 6 Hour Run trail Run Undead Ultra Trail Party trail Holiday Five Day 5 trail Across the Years, Last Person Standing trail Go Big 260 Mile Race trail Go Big 100 Mile Race trail Go Big 50 km Race trail Otzberger Silvester-Ultra trail +13 more
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