The course for the Bone and Back is an Out and Back route that is ALL ON PAVEMENT. Aid Stations every 5 miles are stocked with water, pops, chips, pickles, candy, etc... for the ultra runners. Every 2.5 miles in between the main 5 mile stations there is also a table with water. 

Results

40 Miles View course top times

Date Finishers Top Result Top Result (F)
06/27/20 11 5:19:03 6:24:24
06/22/19 6 6:57:52 9:05:27
06/23/18 5 4:58:12 7:37:21
06/24/17 6 5:53:28 6:02:25
06/25/16 7 5:44:30 6:10:54
06/27/15 8 7:09:16 7:16:37
06/28/14 6 5:48:10 6:55:10
06/23/12 13 5:37:00 7:51:24
06/25/11 10 5:53:23 7:47:46
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.
Denali 135 & 100k
  • Jun 20, 2021
  • Paxson, AK
100 KM 135 Miles