Thousands of runners and their families will be in Ottawa this weekend for the annual Tamarack Ottawa Race Weekend.

Runners will take over downtown streets Saturday, May 26 and Sunday, May 27 for 2k, 5k, and 10k races as well as the Ottawa Marathon and Half-Marathon.

There will be rolling road closures to accommodate the races.

You can also see an interactive map of road closures and race routes on both Saturday and Sunday.


  • Laurier Avenue between Metcalfe and Nicholas- 1:00–9:00 pm
  • Elgin Street between Cooper and Wellington– 1:00–7:30 pm
  • Elgin Street between Cooper and Frank– 2:30-3:30 pm.
  • Elgin Street between Catherine and QED– 3:30-8:45 pm
  • Lisgar Street between Cartier and Elgin- 3:30-4:30 pm
  • Elgin Street between Lisgar and Catherine- 6:15-7:00 pm
  • Frank Street between Elgin and QED- 2:45-3:45 pm
  • Queen Street between Elgin and Metcalfe– 3:30-4:30 pm
  • Metcalfe between Wellington and Albert– 3:30–4:35 pm
  • Wellington between Bank and Colonel By Drive eastbound– 3:30-5:00 pm
  • Queen Elizabeth drive between 3:30 and 8:00 pm
  • Lakeside- 6:00-8:00 pm
  • Bronson southbound between Lakeside and Col. By– 6:00-8:00 pm (lane reductions)
  • Colonel By Drive between Daly and Hawthorne– 3:00-8:30 pm.
  • Colonel By Drive between Hawthorne and Bronson- 3:00-8:30 pm
  • Hawthorne between Colonel By drive and Main 3:00-8:30 pm
  • Main between Hawthorne and Graham 4:00 – 5:00 pm
  • Graham between Main and Echo drive 4:00- 5:00pm
  • Echo Drive between Graham and Pretoria Bridge 4:00-5:00pm
  • Pretoria Bridge– 3:30–8:45 pm
  • Argyle between and Elgin and Queen Elizabeth Drive- 6:30-8:45 pm
  • Queen Elizabeth Drive between Somerset & Elgin– 2:00–9:00 pm
  • Queen Elizabeth Drive between Elgin and Preston- 3:00-8:30 pm


  • Laurier Avenue between Elgin and Metcalfe– 5:00–10 am
  • Laurier Avenue between Nicholas and Elgin– 5:00am–3:00 pm
  • Queen Elizabeth Drive between Preston and Elgin- 6:00-10:45 am
  • Queen Elizabeth Drive between Lawrence Frieman & Laurier- 5:00 am-6:00 pm
  • Queen Elizabeth Drive between Elgin and Somerset W.- 6:00am-2:30 pm
  • Elgin Street between Cooper and Slater– 5:00–10:30 am
  • Elgin Street between Cooper and Catherine– 8:45-9:45 am
  • Lisgar Street between Cartier & Elgin– 6:00-8:30 am
  • Cartier Street between Lisgar and Cooper – 7:45 – 8:30 am
  • Cooper Street between Cartier and The Driveway- 7:45-8:30 am
  • The Driveway between Cooper and Somerset W- 7:45-8:30 am
  • Wellington Street eastbound between Elgin and Col. By– 6:30am–2:00pm
  • Rideau westbound between Sussex and Mackenzie– 7:30am-2:00pm
  • Preston between Q.E. Driveway & Carling– 6:30-10:45am (northbound lanes)
  • Carling westbound between Preston & Sherwood– 6:45-11:00am
  • Carling eastbound at Preston– 6:45-11:00am
  • Sherwood Dr between Carling & Fairmont– 6:15–11:15am
  • Fairmont Avenue between Sherwood & Wellington– 6:15-11:30am
  • Wellington St. between Fairmont & Island Park Drive– 6:15-11:45am
  • Richmond Road between Island Park and Athlone– 6:15–9:30 am
  • Athlone between Richmond and Scott- 6:15-9:30 am
  • Sir Frederic Banting and Colombine– 6:30am–12:00 pm
  • Scott eastbound between Churchill & Island Park– 6:15–10:00 am
  • Scott westbound between Island Park and Holland- 6:15am–12:00pm
  • Island Park between Scott and Richmond– 8:15-11:45 am
  • Sir John A Macdonald Parkway/Wellington between Booth and Island Park– 6:15 am– 12:15 pm
  • Booth Street between Wellington and Eddy Street– 6:45 am–12:45 pm
  • Chaudière Bridge between 6:45 a.m. and 12:45 p.m.
  • Eddy Street between Booth and Wright–7:00–1:00pm
  • Alexandre-Taché between Eddy and Montcalm– 7:00–12:45pm
  • Alexandre-Taché between Montcalm and Scott– 7:00–10:45am
  • Scott between Alexandre-Taché and Graham– 7:00–11:00am
  • Lac des Fees between Graham and St. Jean Bosco– 7:00–11:00am
  • St Jean Bosco between Lac des Fees and Lois- 7:00-11:15am
  • Lois between St. Jean Bosco and Montcalm- 7:00-11:30am
  • Montcalm between St. Joseph and Papineau– 7:00-11:30am (southbound lanes only)
  • Montcalm between Papineau and Wellington- 7:00-11:30am
  • Montcalm between Wellington & Tache- 7:00am–12:45pm
  • Wellington between Montcalm and Eddy– 7:00am-12:45pm
  • Promenade du Portage between Eddy and Hotel de Ville– 7:00am-12:45pm
  • Hotel de Ville between Promenade du Portage and Laurier– 7:00am–12:45pm
  • Laurier between Hotel de Ville and des Allumettieres– 7:00am–1:15 pm
  • Alexandra Bridge between 6:45 am and 1:30 pm
  • St Patrick between Parent and Sussex – 6:00 am -1:30pm
  • Sussex Drive between Rideau and George Etienne Cartier  Parkway– 6:00am–1:45pm
  • George Etienne Cartier Parkway between Princess and Aviation Parkway– 6:45am–1:30pm
  • Buena Vista between Georges Etienne Cartier Parkway and Lisgar road – 6:45am–1:30pm
  • Lisgar Road between Buena Vista and Georges Etienne Cartier  Parkway– 6:45am–12:15pm
  • Birch between Georges Etienne Cartier Parkway and Hemlock- 6:45am-12:45pm
  • Hemlock westbound between St Laurent and Lansdowne – 6:45am–1:00pm
  • Beechwood westbound between Lansdowne and Acacia– 6:45am-1:00pm
  • Beechwood one lane westbound between Acacia and Crichton- 6:45am-1:15pm
  • Crichton northbound between Beechwood and Dufferin– 6:45am–1:15 pm
  • Dufferin between Stanley and Crichton– 6:45am–1:15 pm
  • Stanley between Dufferin and Sussex– 6:45am–1:30 pm
  • Colonel By Drive – Rideau to Hawthorne Ave.- 6:00am-2:00pm
  • Pretoria Bridge– 6:30am–2:00pm


Queen Elizabeth Driveway between Laurier Avenue and Somerset

8:00am. Friday, May 25 to 6:00pm. Sunday, May 27 inclusive includes Laurier Avenue east off ramp and controlled exit and access to National Arts Centre (specific exit and entrance requirements to and from Lawrence Freiman Drive post performance and delivery via the Laurier Avenue off ramp have been negotiated between ORW and the National Arts Centre).