2027 TCS Toronto Waterfront Marathon
Sunday, October 17, 2027· 8 a.m.· in 360 days
Toronto, Ontario
About this race
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.
— from the organizer's listing, read it in full
Registration open — closes October 14, 2027.
Listed via Race Roster. RaceFinder links you to the official page — always confirm date and details with the organizer. Your race? Update or claim this listing free →
What race day is usually like
15°/ 7°
typical high / low
37%
of days see rain
In Toronto this week of the year it is wet about 4 days in 10. This is what the last ten years did — not a forecast. Check one a few days out.
Daily records 2016–2025 for Toronto, via Open-Meteo.
Entry fees
from $71.03
5 entry options, from $71.03.
- In-Person 5K$71.03
Pricing does not include HST.
- IMPACT BIB - In-Person 5K$71.03
Pricing does not include HST. Impact bib registrations do not include a shirt, and a donation is made to a sustainability charity on behalf of the participant instead.
- Virtual Marathon$71.03
Pricing does not include HST. Domestic shipping included.
- Virtual Half Marathon$71.03
Pricing does not include HST. Domestic shipping included.
- Virtual 5K$71.03
Pricing does not include HST. Domestic shipping included.
Fees as published by the organizer on October 20, 2026, including mandatory charges. Each price is only offered until its window closes — confirm on the registration page before you enter. Is this a normal price?
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