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!
Upcoming Races
Sep 19 2020
12 Hours
Multiple Loop
Course
2
Elevation Rating
Rolling, ~2500 feet in 50 miles
1
Surface Rating
Paved or very smooth surface
Sep 19 2020
24 Hours
certified 1.4 mile (2.2508km) loop
Multiple Loop
Course
2
Elevation Rating
Rolling, ~2500 feet in 50 miles
1
Surface Rating
Paved or very smooth surface
Results
12 Hours certified 1.4 mile (2.2508km) loop View course top times
| Date | Finishers | Top Result | Top Result (F) |
|---|---|---|---|
| 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 | 7 | 100.717 | 100.717 |
| 09/20/14 | 18 | 75.8532 | 68.1768 |
24 Hours View course top times
| Date | Finishers | Top Result | Top Result (F) |
|---|---|---|---|
| 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 | 190.749 | 180.965 |
50 Miles View course top times
6 Hours View course top times
| Date | Finishers | Top Result | Top Result (F) |
|---|---|---|---|
| 09/19/15 | 22 | 63.25 | 62.453 |
| 09/20/14 | 18 | 36.6926 | 37.967 |
| 09/21/13 | 31 | 43.8991 | 44.45338 |
50 KM View course top times
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.
