The course is challenging with 4 1/2 climbs that average approx. 250 vertical ft. each which make each loop about 1350 feet.  The 16.7K is one awesome loop of trails and hills.  If you running the 33.3K run you get to do all again.  The 50k you get to do it for the third time. 

Results

50 KM View course top times

Date Finishers Top Result Top Result (F)
07/13/19 32 4:51:10 5:47:23
07/14/18 46 4:34:47 6:14:21
07/15/17 46 4:29:07 5:54:19

45 KM View course top times

Date Finishers Top Result Top Result (F)
07/23/16 20 4:40:23 6:42:55
08/01/15 22 4:00:05 5:02:09
08/02/14 15 4:51:19 6:56:25
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 18, 2020
  • Crystal Lake, IL
50 KM