More than a spectator friendly certified marathon, That Dam Hill is also London Ontario’s only ultra marathon timed race. If you register for a timed race, the first 42.2km (26.2 miles) you complete will automatically give you a certified marathon time. And yes, That Dam Hill is a certified Boston Marathon Qualifier!

Results

24 Hours View course top times

Date Finishers Top Result Top Result (F)
09/19/20 No Results Posted. Submit Results
09/14/19 23 122.72 87.75
09/15/18 24 110.133 76.567
09/16/17 21 121.3221 100.3433
09/17/16 32 119.9238 126.9167
09/19/15 11 118.5259 112.4464

12 Hours certified 1.4 mile (2.2508km) loop View course top times

Date Finishers Top Result Top Result (F)
09/19/20 No Results Posted. Submit Results
09/14/19 9 70.97 66.77
09/15/18 7 73.77 61.183
09/17/16 8 62.5819 34.6103
09/19/15 6 62.5826 62.5826
09/20/14 18 75.8532 68.1768

50 Miles View course top times

Date Finishers Top Result Top Result (F)
09/16/17 6 10:16:08 10:45:01
09/20/14 10 7:22:24 8:24:53

6 Hours View course top times

Date Finishers Top Result Top Result (F)
09/19/15 8 39.3017 38.8065
09/20/14 18 36.6926 37.967
09/21/13 31 43.8991 44.45338

50 KM View course top times

Date Finishers Top Result Top Result (F)
09/20/14 32 4:24:52 4:46:21
09/21/13 24 4:11:17 4:05:59
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