Heavy traffic

Name: TCS Toronto Waterfront Marathon
Start: 2026-10-17T10:00:00-04:00
End: 2026-10-17T22:00:00-04:00
Location: Waterfront / Lake Shore

TCS Toronto Waterfront Marathon brings event traffic around Waterfront / Lake Shore. Separate transit disruption: Lakeshore West GO line planned construction.

★ LAST CHECKED · JUN 9, 7:50 A.M. ET

← FRI, OCT 16 ● JUMP TO TODAY WEEK VIEW FULL CALENDAR SUN, OCT 18 →

Intensity by hour

calmplan aheadheavy

10a

11a

12p

10p

11p

★ Today’s status

Heavy

Events

Heavy

Roads

Calm

Transit

Active

/01

What’s happening on Sat, Oct 17

HIGH

TCS Toronto Waterfront Marathon

All day · Road race

Waterfront / Lake Shore · Waterfront

Up to 26,000 attendees

/02

Public transit disruptions

Public transit closures

1 listed

GO TransitMay 23 - Oct 18

Lakeshore West GO line planned construction

Closure window: May 23 to Oct 18. GO Transit lists planned construction on the Lakeshore West line for Oct 17-Oct 18; service may be adjusted while construction work is underway.

Transit: Planned transit closure listed: Lakeshore West GO line planned construction. No planned closure listed for TTC and UP Express in official transit-disruption data.

/03

Top trouble spots

★ Top Trouble Spots

WaterfrontWaterfront marathon routeLake Shore Boulevard through downtownBay Street near QueenUniversity Avenue near QueenQueens QuayUnion StationGO Transit

Queen StreetCLOSED

Queen St W near Yonge St

Drivers: If you are driving in from outside downtown, parking near Waterfront, Waterfront marathon route, Lake Shore Boulevard through downtown is likely tight.

/04

Road closures and restrictions

Road closures

0 listed

No major road closures listed for this date.

/05

All Toronto restrictions, hour by hour

3 in TorontoLast refresh Jun 9, 7:50 a.m. ET

✓ No daytime restrictions listed in Toronto.