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Expect some traffic disruptions during Tamarack Ottawa Race Weekend

From the City of Ottawa

Ottawa – Tamarack Ottawa Race Weekend is returning to Ottawa streets this weekend, from Saturday May 27 to Sunday, May 28.

The running event starts and ends at Ottawa City Hall, 110 Laurier Avenue West, and involves intermittent lane reductions and closures on Saturday, from as early as 1 pm until 9 pm, and on Sunday, from as early as 5 am until 2 pm, on various roadways along the routes.

Major roads impacted at various times by the event include:

  • Queen Elizabeth Drive

  • Laurier Avenue

  • Elgin Street

  • Lisgar Street

  • Cartier Street

  • Queen Street

  • Metcalfe Street

  • O'Connor Street

  • Wellington Street

  • Colonel By Drive

  • Pretoria Bridge

  • Rideau Street

  • Preston Street, south of Carling

  • Carling Avenue

  • Sussex Drive

  • Sir John A. Macdonald Parkway

  • Alexandra Bridge

  • Sir George Étienne Cartier Parkway

A full listing of the lane reductions, road closures and times are located on the Tamarack Ottawa Race Weekend website.

Saturday, May 27 also marks another edition of the Great Glebe Garage Sale. The event, which runs from 8 am to 2:30 pm, will bring additional traffic and limit available parking in the Glebe.

For updates on construction and roadwork activity across Ottawa, or for information about traffic and travel planning, visit the City’s traffic map or follow the City’s traffic account on Twitter.

For more information on City programs and services, visit, call 3-1-1 (TTY: 613-580-2401) or 613-580-2400 to contact the City using Canada Video Relay Service. You can also connect with us through Facebook, Twitter and Instagram.


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