Major downtown thoroughfares to be shut for Sunday’s Supertri Toronto race

Gardiner, DVP, Lake Shore to be closed for several hours for annual triathlon event

Published Jul 22, 2026  •  Last updated 28 minutes ago  •  2 minute read

View of the Gardner Expressway in Toronto from above. Photo by ADOBE /STOCK

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Planning to drive into the downtown core on Sunday morning? Maybe reconsider that option.

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The Supertri Toronto event, which used to be known as the Toronto Triathlon Festival, will be taking up plenty of high-traffic real estate on Sunday, including parts of the Gardiner Expressway, the Don Valley Parkway and Lake Shore Blvd. W.

“Motorists are encouraged to plan ahead by allowing extra travel time, considering alternate routes and following all posted detour signage and directions from police officers and event personnel,” Toronto Police said in a news release.

In its 13th year, the Supertri Toronto is billed as “one of North America’s most iconic urban race experiences” that includes a 1.5-km swim at Ontario Place, a 40-km cycle on the Gardiner and DVP and a 10-km run on Lake Shore.

Event expected to attract some 1,750 athletes

The triathlon, which served as a test event for the 2015 Pan Am Games, is expected to attract more than 1,750 athletes and more than 200 volunteers.

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“To accommodate the event and ensure the safety of participants, spectators and volunteers, temporary road and lane closures will be in effect around Exhibition Place,” police said.

The good news is that all four major professional sports teams will either be off that day or playing elsewhere.

Blue Jays on road in Beantown

The Blue Jays are in Boston for a three-game series with the Red Sox, the Argonauts and Toronto FC play Saturday in Vancouver and Washington, D.C., respectively, while the Tempo have an eight-day break before playing the Minnesota Lynx in Minneapolis next Tuesday.

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As for lane closures on Sunday:

— The westbound curb lane of Lake Shore from New Brunswick Way to British Columbia Rd. will be closed from 5 a.m. to about 2 p.m.;

— The eastbound curb lane of Lake Shore from Ontario Dr. to about 300 m east of British Columbia will be closed from 4 a.m. to 11 a.m.;

— The eastbound Gardiner from the Humber River to the DVP will be closed from 2 a.m. to noon;

— The northbound DVP from the Gardiner to Eglinton Ave. will be closed from 2 a.m. to noon.

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