London, ON
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
6 Hours
View course top times| Date | Finishers | Top Result (M) | Top Result (F) |
|---|---|---|---|
| 09/16/23 | 6 | 42 | 37.8 |
| 09/17/22 | 6 | 40.6 | 33.6 |
| 09/18/21 | 7 | 32.2 | 37.8 |
| 09/19/20 | 1 | 39.16 | |
| 09/19/15 | 8 | 39.3017 | 38.8065 |
| 09/20/14 | 18 | 36.6926 | 37.967 |
| 09/21/13 | 31 | 43.8991 | 44.45338 |
12 Hours
View course top times| Date | Finishers | Top Result (M) | Top Result (F) |
|---|---|---|---|
| 09/16/23 | 18 | 71.396 | 51.797 |
| 09/17/22 | 10 | 63 | |
| 09/18/21 | 7 | 63 | |
| 09/19/20 | 7 | 53.15 | 60.14 |
| 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 |
24 Hours
View course top times| Date | Finishers | Top Result (M) | Top Result (F) |
|---|---|---|---|
| 09/16/23 | 39 | 113.39 | 153.99 |
| 09/17/22 | 33 | 93.8 | 112 |
| 09/18/21 | 42 | 124.6 | 141.4 |
| 09/19/20 | 50 | 103.5 | 132.87 |
| 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 |
50 Miles
View course top times| Date | Finishers | Top Result (M) | Top Result (F) |
|---|---|---|---|
| 09/16/17 | 6 | 10:16:08 | 10:45:01 |
| 09/20/14 | 10 | 7:22:24 | 8:24:53 |
50 KM
View course top times| Date | Finishers | Top Result (M) | Top Result (F) |
|---|---|---|---|
| 09/20/14 | 32 | 4:24:52 | 4:46:21 |
| 09/21/13 | 24 | 4:11:17 | 4:05:59 |
