TCS Toronto Waterfront Marathon
October 16, 2027
Toronto Waterfront (Start/Finish near Ontario Place / Bay Street) · Toronto, Canada
About
The TCS Toronto Waterfront Marathon is Canada’s premier running event and the grand finale of the Canada Running Series. Since 2017, the race has served as the Athletics Canada National Marathon Championships and has doubled as the Olympic Trials.
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Start
Toronto Waterfront (Start/Finish near Ontario Place / Bay Street)
Start time
08:00
Weather
Cool 10°C
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TCS Toronto Waterfront Marathon
Your readiness
Top finishers
- 1LeonardKEN2:08:05
Why this race
- World Athletics Platinum/Gold Label road race, outside the WMM
- Canada's premier marathon with TCS title sponsorship and decades of history
- Hosts the Athletics Canada national marathon championships and has doubled as Olympic Trials
If you like Rotterdam Marathon or Frankfurt Marathon, you'll like this one.
Pack this
- Throwaway long-sleeve top or poncho for the cool pre-dawn start corral
- Energy gels: one every 40-45 min after the first hour (4-6 for marathon)
- Light gloves and a cap or headband for wind off Lake Ontario
- Anti-chafe balm and race belt or safety pins for your bib
- Dry warm layer and recovery drink packed in your gear-check bag
What you should know
- Expect a breeze off Lake Ontario along the waterfront sections; it can feel colder than 10°C.
- Marathon and half routes are largely flat, so pace evenly and avoid going out too fast early.
- Check the official site for bib pickup times and course time limits; slower runners may be moved off closed roads.
- Arrive early for transit and gear check, as downtown road closures and crowds slow access to the start.
- Drink to thirst at aid stations; cool weather lowers sweat cues but you still need fluids and electrolytes.
The information shown here is based on the most recent listing we could find, and may change. Always confirm details on the event's official site before registering.
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