Run Woodstock
September 11th 2026
Gregory, MI
50 KM |
50 Miles |
100 KM |
100 Miles
Get ready to set your soles free on a 140 acre incredible piece of pure Michigan forest and fields, not to mention... a beach! Century old white pines, old growth forests and meandering dirt two tracks make this place both magical and majestic! We know you are going to DIG it! The race course will roll in and out of camp and right on to the Potawatomi Trail, and the BBT trail connecting to the Waterloo Pinckney trail make it ideal for a serious trail festival! We'll have plenty of room, amazing trails, and pristine wilderness surrounding us Other race distances on Saturday include: 50 Mile Ultra, 50k Ultra, Marathon, Half Marathon & 5 Mile.
Upcoming Races
Sep 11 2026
50 KM
Two 16.6-mile loops
2,800
2,800
ft.
15:00 Cutoff
3
Elevation Rating
Hilly, ~2500-7500 feet in 50 miles
2
Surface Rating
Mostly groomed trail or dirt roads
Sep 11 2026
50 Miles
Three 16.6-mile loops
4,500
4,500
ft.
Multiple Loop
15:00 Cutoff
3
Elevation Rating
Hilly, ~2500-7500 feet in 50 miles
2
Surface Rating
Mostly groomed trail or dirt roads
Sep 11 2026
100 KM
Four 16.6-mile loops
5,545
5,545
ft.
Multiple Loop
3
Elevation Rating
Hilly, ~2500-7500 feet in 50 miles
2
Surface Rating
Mostly groomed trail or dirt roads
Sep 11 2026
100 Miles
Six 16.6-mile loops
9,000
9,000
ft.
Multiple Loop
2
Elevation Rating
Rolling, ~2500 feet in 50 miles
2
Surface Rating
Mostly groomed trail or dirt roads
Additional Distances
This event also has the following sub ultra distances
26.2 Miles
5 Miles
13.1 Miles
Results
50 Miles
| Date | Finishers | Top Result (F) | Top Result (M) |
|---|---|---|---|
| 09/06/25 | 58 | 9:07:00 | 7:08:36 |
| 09/07/24 | 61 | 8:52:04 | 7:54:49 |
| 09/09/23 | 46 | 7:02:08 | 8:03:43 |
| 09/10/22 | 41 | 7:55:53 | 9:44:53 |
| 09/11/21 | 42 | 7:23:20 | 8:29:02 |
| 09/11/20 | Race Cancelled | ||
| 09/06/19 | 78 | 9:19:08 | 7:06:56 |
| 09/08/18 | 67 | 8:49:10 | 7:22:57 |
| 09/09/17 | 91 | 9:06:03 | 7:05:45 |
| 09/10/16 | 68 | 9:23:41 | 7:22:50 |
| 09/11/15 | 69 | 8:43:10 | 7:58:08 |
| 09/05/14 | 100 | 9:16:22 | 6:35:05 |
| 09/06/13 | 101 | 8:26:16 | 7:45:31 |
| 09/07/12 | 87 | 8:34:51 | 7:03:30 |
| 09/09/11 | 61 | 10:30:38 | 6:57:40 |
| 09/24/10 | 44 | 10:26:28 | 7:03:18 |
50 KM
| Date | Finishers | Top Result (F) | Top Result (M) | Top Result (X) |
|---|---|---|---|---|
| 09/06/25 | 206 | 5:21:58 | 4:28:23 | 6:51:36 |
| 09/07/24 | 179 | 4:29:15 | 4:04:29 | |
| 09/09/23 | 178 | 5:08:53 | 4:18:14 | |
| 09/10/22 | 141 | 5:31:48 | 4:10:23 | |
| 09/11/21 | 109 | 5:37:08 | 4:00:57 | |
| 09/11/20 | Race Cancelled | |||
| 09/06/19 | 183 | 5:11:22 | 3:54:49 | |
| 09/08/18 | 196 | 4:52:16 | 4:17:32 | |
| 09/09/17 | 173 | 5:01:51 | 4:11:27 | |
| 09/10/16 | 191 | 5:43:53 | 4:30:31 | |
| 09/11/15 | 153 | 5:18:32 | 3:51:57 | |
| 09/05/14 | 131 | 5:04:11 | 4:22:12 | |
| 09/06/13 | 163 | 4:53:25 | 4:12:50 | |
| 09/07/12 | 120 | 4:58:10 | 3:59:05 | |
| 09/24/10 | 49 | 5:05:28 | 4:38:37 | |
100 KM
| Date | Finishers | Top Result (F) | Top Result (M) |
|---|---|---|---|
| 09/05/25 | 45 | 12:02:15 | 10:27:38 |
| 09/07/24 | 51 | 13:21:57 | 11:27:42 |
| 09/09/23 | 45 | 11:26:43 | 9:41:34 |
| 09/09/22 | 26 | 15:13:21 | 13:23:34 |
| 09/11/21 | 37 | 15:50:30 | 11:34:36 |
| 09/11/20 | Race Cancelled | ||
| 09/06/19 | 49 | 9:53:15 | 9:59:30 |
| 09/07/18 | 75 | 12:31:21 | 11:57:14 |
| 09/08/17 | 35 | 14:24:23 | 12:22:07 |
| 09/09/16 | 42 | 12:33:42 | 12:26:53 |
| 09/11/15 | 51 | 12:24:28 | 10:21:14 |
| 09/05/14 | 38 | 14:46:24 | 12:15:06 |
| 09/06/13 | 34 | 13:29:34 | 10:32:40 |
| 09/07/12 | 24 | 13:57:08 | 10:40:53 |
| 09/24/10 | 10 | 17:16:20 | 11:28:22 |
100 Miles
| Date | Finishers | Top Result (F) | Top Result (M) |
|---|---|---|---|
| 09/05/25 | 81 | 19:05:27 | 20:22:17 |
| 09/07/24 | 105 | 19:57:17 | 15:53:02 |
| 09/09/23 | 96 | 21:17:14 | 17:00:34 |
| 09/09/22 | 66 | 21:19:42 | 18:15:38 |
| 09/11/21 | 60 | 20:26:45 | 17:59:37 |
| 09/11/20 | Race Cancelled | ||
| 09/06/19 | 94 | 19:50:17 | 17:41:13 |
| 09/07/18 | 100 | 20:54:05 | 18:00:41 |
| 09/08/17 | 91 | 20:00:13 | 18:30:55 |
| 09/09/16 | 71 | 22:14:54 | 20:18:01 |
| 09/11/15 | 91 | 20:08:29 | 16:13:58 |
| 09/05/14 | 99 | 21:30:30 | 18:45:51 |
| 09/06/13 | 95 | 22:36:36 | 18:42:25 |
| 09/07/12 | 69 | 21:46:23 | 18:10:52 |
| 09/09/11 | 27 | 20:18:05 | 19:02:10 |
| 09/24/10 | 37 | 21:10:36 | 17:17:52 |
| 09/26/09 | 20 | 24:35:39 | 21:27:30 |