The Ice Age Trail 50 is one of America’s classic ultras. Run mostly on the Ice Age National Scenic Trail in southern Wisconsin (within an hour's drive of Milwaukee and Madison and 1.5-2 hours NW of Chicago), the course takes you on a tour of the unique geologic features left by the last Ice Age 10,000 years ago. Evergreen and deciduous forests, natural prairies, ponds, marshes and kettles are all part of this diverse and beautiful landscape. The Ice Age Trail 50 is run exclusively on trails, ranging from flat and  grassy double-track to twisting and technical single-track, with plenty of hills.

Well-marked with plenty of aid stations and experienced volunteer support, Ice Age is an ideal event for first-time and veteran ultrarunners. 

Upcoming Races

May 9 2020
50 KM
2,267 2,267 ft.
Mixture Course
3 Elevation Rating
Hilly, ~2500-7500 feet in 50 miles
3 Surface Rating
Some rocks, root, and/or ruts
May 9 2020
50 Miles
3,780 3,780 ft.
Out and Back Course
3 Elevation Rating
Hilly, ~2500-7500 feet in 50 miles
3 Surface Rating
Some rocks, root, and/or ruts

Results

50 Miles View course top times

Date Finishers Top Result Top Result (F)
05/11/19 361 6:33:20 7:42:48
05/12/18 325 6:47:09 7:29:31
05/13/17 244 7:13:22 7:52:11
05/14/16 297 6:36:45 7:05:56
05/09/15 285 6:17:22 7:50:19
05/10/14 259 5:41:07 6:41:39
05/11/13 305 5:56:46 6:46:38
05/12/12 286 6:05:45 7:12:37
05/14/11 222 6:27:18 7:30:14
05/08/10 219 6:20:38 7:17:07
05/09/09 203 6:23:53 7:33:42
05/10/08 199 7:21:35 7:43:43
05/12/07 240 6:31:17 7:32:43
05/13/06 237 6:55:40 7:58:10
05/14/05 221 6:35:25 7:49:52
05/08/04 246 6:44:28 7:30:46
05/10/03 264 6:29:18 7:35:04
05/11/02 240 6:14:55 7:50:36
05/10/01 279 6:20:04 7:26:26
05/13/00 306 5:54:41 7:11:43
05/08/99 346 5:59:47 7:29:55
05/16/98 330 6:16:17 7:30:27
05/17/97 360 6:13:57 7:18:59

50 KM View course top times

Date Finishers Top Result Top Result (F)
05/11/19 242 3:52:17 4:04:13
05/12/18 201 3:32:57 4:25:53
05/13/17 212 4:15:59 4:10:41
05/14/16 209 3:54:53 4:24:30
05/09/15 196 3:43:04 4:42:59
05/11/13 170 3:56:59 4:04:29
05/12/12 155 3:45:27 5:05:38
05/14/11 142 3:18:02 4:40:20
05/08/10 166 3:51:32 4:39:24
05/09/09 106 3:52:27 5:08:04
05/10/08 128 4:05:55 4:29:52
05/12/07 125 4:12:58 4:49:24
05/13/06 129 3:29:53 4:48:45
05/14/05 92 3:43:12 4:12:25
05/08/04 127 3:14:05 3:53:16
05/10/03 103 3:32:06 5:00:30
We try to keep the most accurate information about this race, but changes do happen. Always visit the official race website for the most up to date information.
The Back 40 Trail Run
  • Dec 14, 2019
  • Bella Vista, AR
40 Miles