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Race Schedule

2398 upcoming races across 17 months

December 2026

2 Dec MSIG Taiwan Action Asia 50 Trail trail 50km Daxi Township, TWN 4 Dec Greenvale Backyard Ultra Timed trail 50km Forth, TAS, AUS 4 Dec Ollies Ultra 12h Timed trail 50km Chanute, KS, USA 4 Dec Ollies Ultra 6h Timed trail 50km Chanute, KS, USA 4 Dec XIII Desafio Das Catedrais - 130km Trail trail 130km / 81mi Maringa, PR, BRA 5 Dec Aluminio Backyard Ultra Timed trail 50km Sao Paulo, SP, BRA 5 Dec Anza Borrego Cuyamaca 50 Mile Run Trail trail 80km Julian, CA, USA 5 Dec Backyard Ultra Piekiełki in the dark Timed trail 50km Piekiełki, POL ↑200m 5 Dec Bigfoot 50K Trail Race Trail trail 50km Lore City, OH, USA 5 Dec Blood Rock 50 Mile Endurance Race Trail trail 80km Pelham, AL, USA ↑3,000m 5 Dec Blood Rock 55 km Race Trail trail 55km Pelham, AL, USA ↑1,800m 5 Dec Bremer Bergmarathon mit Höhenmetersammlung Trail trail 51km Bremen, DEU ↑1,350m 5 Dec Calero Park Run 50K Trail trail 50km San Jose, CA, USA 5 Dec Caloosahatchee Ultra Run Trail trail 50km Alva, FL, USA 5 Dec Cloudland Canyon 50 Mile Race Trail trail 80km Rising Fawn, GA, USA ↑5,180m 5 Dec Cloudland Canyon 50 km Race Trail trail 50km Rising Fawn, GA, USA 5 Dec Colossal Vail 50 Km Trail trail 55km Vail, AZ, USA 5 Dec Colossal Vail 50 Mile Trail trail 80km Vail, AZ, USA 5 Dec Devil Dog Ultra 50 km Race Trail trail 50km Triangle, VA, USA 5 Dec Festivus 100 Miler Trail Run Trail trail 161km / 100mi Middleburg, FL, USA 5 Dec Festivus 35 Miler Trail Run Trail trail 56km Middleburg, FL, USA 5 Dec Festivus 50 Miler Trail Run Trail trail 80km Middleburg, FL, USA 5 Dec HAROC (aka Hanging Rock Challenge) Trail trail 50km Danbury, NC, USA 5 Dec Heroes - Jinshui Camp Trail 115Km Trail trail 115km / 71mi Fangliao Township, TWN ↑2,912m 5 Dec Heroes - Jinshui Camp Trail 50Km Trail trail 49.6km Fangliao Township, TWN ↑1,640m 5 Dec Island View - Endurance Run Trail trail 50km Goleta, CA, USA 5 Dec Isle du Bois Trail Run Trail trail 50km Pilot Point, TX, USA 5 Dec Jackson County 50-50 Ultra-marathon - 100km Trail trail 100km / 62mi Brownstown, IN, USA 5 Dec Jackson County 50-50 Ultramarathon - 50 Km Trail trail 50km Brownstown, IN, USA 5 Dec Krampuslauf 9h Timed trail 50km Lyme, NH, USA 5 Dec Lake Norman State Park Trail Race 50km Trail trail 50km Troutman, NC, USA 5 Dec Last Chance 50 Mile Ultra Race Trail trail 80km Springfield, MO, USA 5 Dec Last Chance 50 km Ultra Race Trail trail 50km Springfield, MO, USA 5 Dec Last Chance Ultra Trail trail 161km / 100mi Rogersville, MO, USA 5 Dec Loup Garou 40 Mile Trail Run Trail trail 64km Ville Platte, LA, USA 5 Dec McDowell Mountain Frenzy 50 Mile Trail trail 80km Fountain Hills, AZ, USA 5 Dec McDowell Mountain Frenzy 50 km Trail trail 50km Fountain Hills, AZ, USA 5 Dec Mosaic 50km Trail Run Trail trail 50km Liberty Hill, TX, USA 5 Dec OTHTC High Desert 50K Ultra Trail trail 50km Ridgecrest, CA, USA 5 Dec Perpetual Motion 12 Hour Race Timed trail 50km Grapevine, TX, USA 5 Dec Perpetual Motion 6 Hour Race Timed trail 50km Grapevine, TX, USA 5 Dec Proença Cross Trail Ultra 50km Trail trail 50km Montes da Senhora, PRT 5 Dec Ray Miller 50 Mile Trail Race Trail trail 80km Malibu, CA, USA ↑3,000m 5 Dec Ray Miller 50 km Trail Race Trail trail 50km Malibu, CA, USA ↑2,000m 5 Dec RuHH 50 Trail trail 50km Hamburg-Teufelsbrück, DEU ↑100m 5 Dec San Joaquin River Trail 50K Run Trail trail 50km Friant, CA, USA ↑1,600m 5 Dec Sawmill 55k Race Trail trail 55km Golden, CO, USA ↑2,580m 5 Dec Shakori 40 Mile Running Festival Trail trail 64km Pittsboro, NC, USA 5 Dec Summer 48k Trail trail 48km Capao da Canoa, RS, BRA 5 Dec Taiwan Town and Country - CorinOn pilates Trail trail 51km Shengang District, TWN 5 Dec The Backland Race Timed trail 50km Gordonville, TX, USA 5 Dec The Conquer Timed trail 50km Dawsonville, GA, USA 5 Dec The Guvnor Frozen 50 Trail trail 50km Dodgeville, WI, USA 5 Dec The Tennessee Mile 12 Hour Run Timed trail 50km Franklin, TN, USA 5 Dec The Tennessee Mile 6 Hour Run Timed trail 50km Franklin, TN, USA 5 Dec Tower Tag Challenge Timed trail 50km Hamden, CT, USA 5 Dec Ultra Five-O Trail trail 50km Auckland, NZL 5 Dec Ultra Maratona dos Campos Gerais 100km Trail trail 100km / 62mi Ponta Grossa, PR, BRA 5 Dec Ultra Maratona dos Campos Gerais 150km Trail trail 150km / 93mi Ponta Grossa, PR, BRA 5 Dec Ultra Maratona dos Campos Gerais 200km Trail trail 200km / 124mi Ponta Grossa, PR, BRA 5 Dec Ultra Maratona dos Campos Gerais 50 Trail trail 50km Ponta Grossa, PR, BRA 5 Dec XIII Desafio Das Catedrais - 100km Trail trail 100km / 62mi Maringa, PR, BRA 5 Dec XIII Desafio Das Catedrais - 70km Trail trail 70km Maringa, PR, BRA 6 Dec Hunter S. Thompson Fear & Loathing 50 Km Trail trail 50km San Francisco, CA, USA 6 Dec Hunter S. Thompson Fear & Loathing 50 Miles Trail trail 80km San Francisco, CA, USA 6 Dec Kumano Old Trails Trail trail 52km Kumano-Shi, Mie Pref., JPN 6 Dec Marcona Wind Trail Trail trail 100km / 62mi Ica, Marcona, PER ↑748m 6 Dec Minoan Athlos Trail trail 70km Phaistos, GRC 6 Dec New Forest Xmas Trail 50k Trail trail 50km Christchurch, GBR 6 Dec Paderborn Nikolaus Edition Timed trail 50km Paderborn, DEU ↑10m 6 Dec Pine Mountain 40 Miles Trail trail 64km Pine Mountain, GA, USA 6 Dec Q Trail 45 K Trail trail 45km Esquel, ARG 6 Dec Shale Trail Run Trail trail 49km Winchburgh, GBR 6 Dec Tidewater Striders Dismal Swamp 50 km Race Trail trail 50km Chesapeake, VA, USA 12 Dec Antarctic 100k Race Trail trail 100km / 62mi Union Glacier, Antarctica, CHL 12 Dec Beast of the East (Monadnock Ultra) 50 Mile Trail trail 80km Kings Mountain, NC, USA 12 Dec Bell Ringer 50k Trail Run Trail trail 50km Burns, TN, USA 12 Dec Cape Fear Hoilday Run Timed trail 50km Lillington, NC, USA 12 Dec Daytona 100 - 50 Km Ultra Trail trail 50km Atlantic Beach, FL, USA 12 Dec Desafio Wayra 50km Trail trail 50km Lago Puelo, ARG 12 Dec Doomsday Trail trail 50km Cool, CA, USA 12 Dec Izu Trail Journey Trail trail 70km Matsuzaki, Shizuoka Pref., JPN 12 Dec MCW The Holmdel Classic Trail trail 50km Holmdel, NJ, USA 12 Dec Magnus Gluteus Maximus 50 km Trail trail 50km Clifton, VA, USA 12 Dec Narrabeen Allnighter 12 hours Trail Timed trail 50km Narrabeen, NSW, AUS 12 Dec Naughty Hog Trail trail 100km / 62mi Valley View, TX, USA 12 Dec PhoMo 50k Trail trail 50km Phoenix, AZ, USA 12 Dec RunFluent Christmas Timed trail 50km Lutz, FL, USA 12 Dec Soi Malai Trail Winter 45 km Trail trail 45km Doi Soi Malai, THA 12 Dec Spiegelberger Räuberweglauf Trail trail 57km Spiegelberg-Vorderbüchelberg, DEU ↑1,630m 12 Dec Spirit of Syllamo 100 Mile Trail trail 161km / 100mi Fifty-Six, AR, USA 12 Dec Spirit of Syllamo 38 Mile Trail trail 61km Fifty-Six, AR, USA 12 Dec Texmas Trail Race Trail trail 104km / 65mi Smithville, TX, USA 12 Dec The Frosty Buck Trail Race Trail trail 50km Glenmont, OH, USA 12 Dec Ultramaratona Rei e Rainha da Serra de Minas Trail trail 50km Inconfidentes, MG, BRA 13 Dec Coast to Coast Boso hanto Trail trail 67km Chiba Pref., JPN 13 Dec Dallas 50 km Race Trail trail 50km Dallas, TX, USA 13 Dec Dirty December Poker Run Timed trail 50km Diego, CA, USA 13 Dec Last Legend Timed trail 50km Greenvale, VIC, AUS 13 Dec Meinong Ultramarathon Trail trail 45km Meinong District, TWN 13 Dec Mel Williams Memorial Seashore (Seashore Nature Trail) Trail trail 50km Virginia Beach, VA, USA 13 Dec Naked Nick 50 km Race Trail trail 50km Leesport, PA, USA ↑850m 13 Dec Palmetto Bluff Buffalo Run Trail trail 50km Bluffton, SC, USA 13 Dec Race Austin: Holiday Victory Lap Trail trail 50km Austin, TX, USA 13 Dec X-MAS Trail Trail trail 46km Weiskirchen, DEU ↑1,528m 14 Dec Tucson 50K Trail trail 50km Oro Valley, AZ, USA 15 Dec Bruny Island Ultra Marathon Trail trail 64km Dennes Point, TAS, AUS 19 Dec Bei-yi Freeway Ultra Marathon Trail trail 55km Sindian District, TWN 19 Dec Chiang Dao 50 Trail trail 50km Chiang Dao, THA 19 Dec Hollands Duin Ultra Trail trail 50km Noordwijk, NLD ↑750m 19 Dec Khaoyai 100K Ultra Road Marathon Trail trail 100km / 62mi KhaoYai, THA 19 Dec Khaoyai 50K Ultra Road Marathon Trail trail 50km KhaoYai, THA 19 Dec Lookout Mountain 50 Mile Race Trail trail 80km Lookout Mountain, GA, USA 19 Dec Meerdaalwoud Trail Trail trail 50km Bierbeek, BEL ↑750m 19 Dec Minami-aso caldera Trail Trail trail 50km Minami aso, JPN 19 Dec One-day walking - Kanto Chiho Trail trail 50km Tokyo, JPN 19 Dec Outlast Austin Timed trail 50km Dripping Springs, TX, USA 19 Dec Rudolph & Roses Trail trail 50km Tyler, TX, USA 19 Dec Sleigh It Timed trail 50km Lake Wales, FL, USA 19 Dec Solstice Ultra Trail trail 50km Bern, CHE 19 Dec Tengu 100 Trail trail 100km / 62mi Hachioji, JPN 19 Dec Tengu 100 - 60km Trail trail 60km Hachioji, JPN 19 Dec Texas Double Saturday Run Trail trail 50km Dallas, TX, USA 19 Dec Woodside Ramble 50K - Winter Trail trail 50km Woodside, CA, USA 20 Dec Charleston Itty Bitty 50 Trail trail 80km Mount Pleasant, SC, USA 20 Dec HW 19 Ultramarathon Trail trail 45.2km Dieburg, DEU 20 Dec Okinawa 100km Ultramarathon Trail trail 100km / 62mi Yonohara, Okinawa Pref., JPN 20 Dec Okinawa 50km Ultramarathon Trail trail 50km Yonohara, Okinawa Pref., JPN 20 Dec SRTI Round the Island 60 Trail trail 65km Sheung Wan, HKG 20 Dec Six Inch Trail 46 km Marathon Trail trail 46km North Dandalup, WA, AUS 20 Dec Texas Double Sun Run Trail trail 50km Dallas, TX, USA 20 Dec Wald(Ultra)Marathon Calw Trail trail 46km Calw-Altburg, DEU ↑1,100m 23 Dec CORE X50 Ultra Trail Trail trail 50km Chiang Dao, THA 24 Dec Wassermühlen-Ultramarathon Rulle Trail trail 46.8km Wallenhorst-Rulle, DEU 24 Dec Weihnachtsultra Trail trail 45km Darmstadt, DEU ↑700m 25 Dec Vom See zum Schloss Ultramarathon Trail trail 46km Münster, DEU 26 Dec Boyers Furnace 40 Mile Race Trail trail 64km Luray, VA, USA 26 Dec Jupiter Ridge Sand Spur 50k Trail trail 50km Jupiter, FL, USA 26 Dec Loop Out the Year Timed trail 50km Lakewood, WA, USA 26 Dec Run for the Ranch 6-Hour Endurance Run Timed trail 50km Springfield, MO, USA 26 Dec Silbersee-Hüggel UltraTrail Trail trail 45km Hasbergen, DEU 27 Dec Holiday Five Day 1 Trail trail 50km Winter Park, FL, USA 27 Dec Megalithgrab Sloopsteene Ultramarathon Trail trail 47km Westerkappeln, DEU 27 Dec Round The Bay Ultra Trail trail 59km Fort Walton Beach, FL, USA 27 Dec The Sunrise to Sunset Challenge Trail trail 50km Shrewsbury, GBR 27 Dec Zhiyin Jiuzhen Ultra Trail Trail trail 50km Wuhan City, CHN 28 Dec Across The Years, 100km Trail trail 100km / 62mi Peoria, AZ, USA ↑6m 28 Dec Across The Years, 200mi Trail trail 322km / 200mi Peoria, AZ, USA ↑6m 28 Dec Across the Years, 12h Timed trail 50km Peoria, AZ, USA ↑6m 28 Dec Across the Years, 6 days Timed trail 50km Peoria, AZ, USA ↑6m 28 Dec Across the Years, 6h Timed trail 50km Peoria, AZ, USA ↑6m 28 Dec Dörenther Klippen UltraTrail Trail trail 45.6km Ibbenbüren, DEU ↑1,120m 28 Dec Grüntal-Winterultra Trail trail 50km Freudenstadt-Grüntal, DEU 28 Dec Holiday Five Day 2 Trail trail 50km Winter Park, FL, USA 29 Dec Holiday Five Day 3 Trail trail 50km Winter Park, FL, USA 29 Dec Schloss Tatenhausen Ultramarathon Trail trail 45.6km Halle/Westfalen, DEU ↑120m 30 Dec Holiday Five Day 4 Trail trail 50km Winter Park, FL, USA 30 Dec Moccasin 24 Timed trail 50km Memphis, TN, USA 30 Dec Snowdrop Ultra 55 Hour Race Timed trail 50km Sugar Land, TX, USA 30 Dec Snowdrop Ultra 55 Hour Race - 100km Split Trail trail 100km / 62mi Sugar Land, TX, USA 30 Dec Snowdrop Ultra 55 Hour Race - 100mi Split Trail trail 161km / 100mi Sugar Land, TX, USA 30 Dec Snowdrop Ultra 55 Hour Race - 50km Split Trail trail 50km Sugar Land, TX, USA 30 Dec Snowdrop Ultra 55 Hour Race - 50mi Split Trail trail 80km Sugar Land, TX, USA 31 Dec Across the Years, Last Person Standing Timed trail 50km Peoria, AZ, USA ↑6m 31 Dec Aussie Alpine Backyard Ultra Timed trail 50km Falls Creek, VIC, AUS 31 Dec Brigittes Nachtlauf in einen glücklichen "Un...Ruhestand" Timed trail 50km Salzgitter-Bad, DEU ↑300m 31 Dec Go Big 100 Mile Race Trail trail 161km / 100mi Volcano, HI, USA ↑1,500m 31 Dec Go Big 260 Mile Race Trail trail 418km / 260mi Hilo, HI, USA ↑5,500m 31 Dec Go Big 50 km Race Trail trail 50km Volcano, HI, USA ↑1,200m 31 Dec Holiday Five Day 5 Trail trail 50km Winter Park, FL, USA 31 Dec New Years Eve Rock around the Clock 50km Trail trail 50km Anakie, VIC, AUS 31 Dec New Years One Day 100 Mi Run Trail trail 161km / 100mi San Jose, CA, USA 31 Dec New Years One Day 12 Hour Run Timed trail 50km San Jose, CA, USA 31 Dec New Years One Day 24 Hour Run Timed trail 50km San Jose, CA, USA 31 Dec New Years One Day 6 Hour Run Timed trail 50km San Jose, CA, USA 31 Dec Otzberger Silvester-Ultra Trail trail 45km Otzberg, DEU ↑400m 31 Dec Run Undead Ultra Trail Party Trail trail 161km / 100mi Pelham, AL, USA 31 Dec Thousand Island Lake Off-Road Tour (UTZQ) Trail trail 50km Qianligang, CHN ↑3,639m
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