London, ON
Saturday, September 19, 2026
No reviews yet
See what splits you need to run for hundreds of different marathons - adjusted for the specific terrain of each marathon, your goal time and pacing strategies.
Race Dates
2026: Saturday, September 19, 2026Course Information
Profile: Mostly FlatRace Day Weather
Mean Temp.: 52°F (11°C)PR Score & Course Score
PR Score: Request ScoreRace Size
2025: No ResultsBQ Percentages
2025: N/AMiscellaneous Information
Pace Groups?: No
The That Dam Hill Marathon was the 39th largest marathon in Canada in 2024 based on the number of finishers. The 2025 marathon ranking is not available because the race was cancelled. Race size gives runners useful context when comparing marathon events, including expected field size, crowd support, and overall race atmosphere.
In 2024, 2.1% of That Dam Hill Marathon finishers achieved Boston Marathon qualifying times.
Based on its percentage of Boston Qualifiers (BQs), the That Dam Hill Marathon ranked 38th among marathons in Canada in 2024. In Ontario, it ranked 16th in 2024.
There are currently no Course or PR Scores for the That Dam Hill Marathon. If you would like scores calculated, send a request here.
Learn more about PR Scores and Course Scores on the FAQ page.
No course elevation available at this time.
View available accomodations around the That Dam Hill Marathon Finish Line and Course. Book your Reservation now before the best places are sold out.
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Do you want to see how the That Dam Hill Marathon stacks up against other marathons?
Compare the details of the That Dam Hill Marathon side-by-side with other marathons with our Comparison Tool.
If you ran the That Dam Hill Marathon in 4:03:00, what would your time in other marathons be?
See how your finish time would compare on other marathon courses with our Time Conversion Tool.
