Eight 12.5 mile loops on 12' wide smooth gravel bridle path through wooded park. Rolling topography with a total of 8,000 feet of climb over the 100 miles (1,000 feet per loop). The entire course is runnable for front-runners with nicely spaced hills. Getting lost, even for a short time, will be difficult.

Results

Date Distance Total Finishers Top Result Top Result (F)
04/06/19 100 Miles 154 13:34:17 15:40:47
04/06/19 50 Miles 99 7:34:44 8:51:18
04/07/18 100 Miles 114 14:04:57 19:11:25
04/07/18 50 Miles 75 8:26:13 9:51:40
04/01/17 50 Miles 103 7:01:13 8:23:15
04/01/17 100 Miles 143 14:05:50 18:28:14
04/02/16 100 Miles 156 15:30:12 15:41:25
04/02/16 50 Miles 84 8:32:21 7:55:32
03/28/15 100 Miles 147 14:35:34 17:24:16
03/28/15 50 Miles 100 6:11:40 8:33:28
04/05/14 100 Miles 151 13:41:07 15:07:30
04/05/14 50 Miles 87 6:19:26 8:35:44
04/06/13 100 Miles 162 15:21:00 16:08:29
04/06/13 50 Miles 96 6:25:38 7:20:10
03/31/12 100 Miles 150 13:11:40 17:02:39
03/31/12 50 Miles 92 6:20:27 9:32:01
04/02/11 100 Miles 143 14:07:21 18:00:07
04/02/11 50 Miles 103 6:11:36 7:38:13
03/27/10 50 Miles 109 6:18:07 8:12:56
03/27/10 100 Miles 133 13:23:02 15:58:16
04/04/09 50 Miles 109 6:25:31 8:35:19
04/04/09 100 Miles 132 15:05:10 16:02:27
04/05/08 50 Miles 115 7:02:40 9:24:08
04/04/08 100 Miles 104 15:53:09 16:21:10
03/31/07 50 Miles 107 6:31:09 6:58:02
03/31/07 100 Miles 108 15:21:09 16:56:06
04/08/06 50 Miles 92 7:32:18 8:20:55
04/08/06 100 Miles 99 16:18:01 17:13:15
04/01/05 50 Miles 110 6:57:46 7:15:06
04/01/05 100 Miles 87 15:26:28 18:09:27
04/03/04 50 Miles 92 7:03:09 7:33:56
04/03/04 100 Miles 98 15:05:03 18:46:03
04/05/03 50 Miles 90 7:15:54 8:12:25
04/05/03 100 Miles 78 15:26:46 18:30:35
04/06/02 50 Miles 104 6:53:35 8:39:15
04/06/02 100 Miles 76 14:42:29 17:21:38
04/07/01 50 Miles 106 7:51:48 8:57:52
04/07/01 100 Miles 42 18:08:06 21:19:51
04/07/00 50 Miles 93 6:20:06 8:33:13
04/07/00 100 Miles 54 16:32:21 18:02:00
04/10/99 50 Miles 95 6:53:19 9:51:20
04/10/99 100 Miles 50 14:38:43 21:11:13
04/04/98 50 Miles 60 7:34:00 9:33:00
04/04/98 100 Miles 56 15:16:27 20:17:21
04/05/97 50 Miles 63 7:02:00 7:40:00
04/05/97 100 Miles 36 16:47:04 22:57:58
03/31/96 50 Miles 34 7:01:00 9:24:00
03/30/96 100 Miles 38 15:49:10 24:38:26
04/01/95 50 Miles 16 9:22:00
04/01/95 100 Miles 15 18:47:35 21:48:29
04/02/94 100 Miles 2 22:21:12
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.
Earth Day 50K
  • Apr 20, 2019
  • Crystal Lake, IL
50 KM