Races

1. 12 h run Freudenstadt DEU 50 km trail Details →
2. 12 horas Ultra Parana BRA 50 km road Details →
3. 12h Dusk to Dawn AUS 50 km trail Details →
4. 2026 La DNF FRA 100 km trail Details →
5. A Stroll in The Park 12-Hour Endurance Run USA 50 km trail Details →
6. ATW Odyssey 12hr Run GBR 50 km road Details →
7. Aare-Insel Brugg CHE 50 km trail Details →
8. Across the Years, 12h USA 50 km trail Details →
9. Albiger 12-Stunden-Lauf DEU 50 km trail Details →
10. Angry Owl 12 Hour Ultramarathon USA 50 km road Details →
11. Arktos 12 Hour Ultra USA 50 km trail Details →
12. Arrowhead 12 Hour Endurance Run USA 50 km trail Details →
13. Arrowhead 12 Hour Endurance Run (night) USA 50 km trail Details →
14. Asta Maries 12 Timers Løb Night DNK 50 km trail Details →
15. Athak Ultra Stadium Run Lucknow IND 50 km trail Details →
16. Autumn Harvest 12 Hour USA 50 km trail Details →
17. Azalea 12 Hour Race USA 50 km trail Details →
18. BUFF-CEUS 12h European Cup HUN 50 km road Details →
19. Back 9 12 Hour Endurance Run USA 50 km trail Details →
20. Back On the Ranch Trail 12 Hour Run USA 50 km trail Details →
21. Backyard Kirkenes NOR 50 km trail Details →
22. Backyard Larvik NOR 50 km trail Details →
23. BadgerPalooza USA 50 km trail Details →
24. Badgerland F/X 12 Hour Run (day) USA 50 km trail Details →
25. Baku Ultra Endurance 12H AZE 50 km road Details →
26. Bashore Bash 12 Hr USA 50 km trail Details →
27. Beaudry Fall Classic 12 Hour Race CAN 50 km trail Details →
28. Belgrade Ultra Sri Chinmoy 12 Hour Race SRB 50 km trail Details →
29. Black Toe 12 Hour Run USA 50 km trail Details →
30. Black Toe 12 Hour Run Ruck USA 50 km trail Details →
31. Borne To Run 12h Spenden-Lauf DEU 50 km road Details →
32. Boundiful 12 Hours Endurance Run USA 50 km trail Details →
33. Bronze Dragonfly 12 Hour Ultra Day USA 50 km trail Details →
34. Brooksvale 12-Hour USA 50 km road Details →
35. Bubbletown What the Duck Ultra USA 50 km road Details →
36. Cacapon 12 Hour Challenge USA 50 km trail Details →
37. Cactus Roulette Endurance - 12h Lark USA 50 km trail Details →
38. Cactus Roulette Endurance - 12h Owl USA 50 km trail Details →
39. Cahuilla Rez Ultra 12h Run USA 50 km trail Details →
40. Carkeek 12 Hour USA 50 km trail Details →
41. Cider 12h Day Challenge GBR 50 km road Details →
42. Circle Endurance Event 12 Hour USA 50 km trail Details →
43. Circle of The Dragon USA 50 km road Details →
44. Cohutta Madness 12h Run USA 50 km trail Details →
45. Colorado 12 Hour Run USA 50 km trail Details →
46. Conquer the Canuck 12h CAN 50 km trail Details →
47. Cotter Bridge Ultra USA 50 km trail Details →
48. Cottontail 12 Hour Race USA 50 km road Details →
49. Crystal Springs Ultra Races USA 50 km trail Details →
50. DG24h - 12h POL 50 km road Details →
51. Damascus Festival of Miles USA 50 km trail Details →
52. Dawn to Dusk to Dawn 12 Hour USA 50 km trail Details →
53. Days at the Fair 12 Hour Race USA 50 km trail Details →
54. Death By a Mile USA 50 km trail Details →
55. Death by Staircase 12hr USA 50 km road Details →
56. Delano Park 12 Hour Run USA 50 km trail Details →
57. Delaware Trail Fest USA 50 km trail Details →
58. Delirium Ultra 12 Hour Run USA 50 km trail Details →
59. Devils Den Ultra 12h USA 50 km trail Details →
60. Dia De Los Muertos Endurance 12 Hour Run USA 50 km trail Details →
61. Dirty Dozen 12h Endurance Run USA 50 km trail Details →
62. Dizzy Daze 12 Hour Race USA 50 km trail Details →
63. Dizzy GOAT 12 Hour Trail Run USA 50 km trail Details →
64. Dogwood 12 Hour Run USA 50 km trail Details →
65. Dream Nation Apparel 12 Hour CAN 50 km trail Details →
66. EHQ Valley Falls 12 Hour Race USA 50 km trail Details →
67. ENDURE 12 Hour LRS Race USA 50 km trail Details →
68. ENDURE 12 Hour Race USA 50 km trail Details →
69. Earth Day Buckle Mania 12h USA 50 km trail Details →
70. Elijah Bristow 12 Hour Night Run USA 50 km trail Details →
71. Elijah Bristow 12 Hour Run USA 50 km trail Details →
72. Endless Mile - 12 Hour Race USA 50 km trail Details →
73. Extreme Ravine 12h Race USA 50 km trail Details →
74. FANS 12 Hour Run USA 50 km road Details →
75. FANS 12 Hour Run Walk USA 50 km road Details →
76. FarmDaze 12 Hour Run USA 50 km trail Details →
77. Farmmageddon 12h GBR 50 km trail Details →
78. Fat Ox 12 Hour Run USA 50 km trail Details →
79. Festival de UltraFondo Burjassot - 12h ESP 50 km trail Details →
80. Flagstaff Doggie Dash & Ultra Bash 12h USA 50 km road Details →
81. Florida Outlaw Ultra 12h USA 50 km trail Details →
82. Fondren Urban Ultra USA 50 km road Details →
83. Formartine & Buchan Railway 12 hr Ultra GBR 50 km trail Details →
84. Fort Frenzy 12 Hour Run USA 50 km trail Details →
85. Front Range Ultra Dayze 12h USA 50 km trail Details →
86. Genesee Valley Ultra USA 50 km trail Details →
87. Glacial Esker 12h AM USA 50 km trail Details →
88. Glenmore 12 hour Trail Race GBR 50 km trail Details →
89. GoodRunnings 12h Dusk to Dawn AUS 50 km trail Details →
90. Green Lakes Endurance Run 12 Hour USA 50 km trail Details →
91. Grit & Grace Trail Race USA 50 km trail Details →
92. Hainesport Hundred 12 Hour Endurance Run Summer USA 50 km trail Details →
93. Half Day at the Lake USA 50 km trail Details →
94. Halloween Dusk 2 Dawn 12h AUS 50 km trail Details →
95. Hallucination 12 Hour Trail Run USA 50 km trail Details →
96. Hamster Endurance Runs 12 Hour Run USA 50 km trail Details →
97. Happy 24 Hours 12h NOR 50 km road Details →
98. Hawthorn Half Day 12 Hour Run USA 50 km trail Details →
99. Heat Wave 6/12/24 (night) USA 50 km trail Details →
100. Hell Løpefestival 12h NOR 50 km road Details →

100 of 290 listed — every one is pinned on the map. Full schedule →