Here's what you need to know about Ottawa Race Weekend road closures

Even if you're not signed up to run, it'll be hard to avoid Ottawa Race Weekend if you're anywhere near central Ottawa/Gatineauthis weekend.

Several major roads will be closed to vehicles, and motorists are advised to avoid certain areas altogether.

The road closures actually begin Friday morning. Most will be in place from Saturday afternoon to Sunday afternoon, but will be liftedovernight.

Saturday's two, five and 10-kilometreruns start at Ottawa City Hall and stretchas far south as Dow's Lake alongQueen Elizabeth Driveway, Colonel By Drive and Elgin Street.

Sunday's kids run and half and full marathons cover an area stretching from Westboro to Orlans, throughthe Glebe and over to Gatineau.

Here's the full list of road closures.

Friday, May 25

Queen Elizabeth Driveway between Laurier Avenue and Somerset Street W.: from 8 a.m. Friday to 6 p.m. Sunday.

Saturday, May 26

• Laurier Avenue between Metcalfe and Nicholas streets: from1 to 9 p.m.
• Elgin Street between Cooper and Wellington streets: from1 to 7:30 p.m.
• Elgin Street between Cooper and Frank streets: from2:30 to 3:30 p.m.
• Elgin Street between Catherine StreetandQueen Elizabeth Driveway: from3:30 to 8:45 p.m.
• Lisgar Street between Cartier and Elgin streets: from3:30 to 4:30 p.m.
• Elgin Street between Lisgar and Catherine streets: from6:15 to 7:00 p.m.
• Frank Street between Elgin andQueen Elizabeth Driveway: from2:45 to 3:45 p.m.
• Queen Street between Elgin and Metcalfestreets: from3:30 to 4:30 p.m.
• MetcalfeStreet between Wellington and Albert streets: from3:30 to 4:35 p.m.
• Wellington Street between Bank Street and Colonel By Drive eastbound: from3:30 to 5 p.m.
• Queen Elizabeth Drive: from 3:30 to 8p.m.
• Lakeside Avenue: from6 to 8p.m.
• Bronson Avenue southbound between Lakeside Avenue and ColonelBy Drive: lane reductions from6 to 8 p.m.
• Colonel By Drive between DalyAvenue and Hawthorne Road: from3 to 8:30 p.m.
• Colonel By Drive between Hawthorne Roadand Bronson Avenue: from 3 to 8:30 p.m.
• Hawthorne Road between Colonel By Drive and Main Street: from3 to 8p.m.
• Main Street between Hawthorne Road and Graham Avenue: from4 to 5 p.m.
• Graham Avenue between Main Street and Echo Drive: from4 to 5p.m.
• Echo Drive between Graham Avenue and the Pretoria Bridge: from4 to 5p.m.
• Pretoria Bridge: from 3:30 to 8:45 p.m.
• Argyle Street betweenElgin Street and the Queen Elizabeth Driveway: from6:30 to 8:45 p.m.
• Queen Elizabeth Driveway between Somerset andElgin streets: from2 to 9p.m.
• Queen Elizabeth Driveway between Elgin and Preston streets:3 to 8:30 p.m.

Sunday, May 27

• Laurier Avenue W. between Elgin and Metcalfestreets:from5 to 10 a.m.
• Laurier Avenue W. between Nicholas and Elgin streets: from5a.m. to 3p.m.
• Queen Elizabeth Driveway between Preston and Elgin streets: from6 to 10a.m.
• Queen Elizabeth Driveway between Lawrence FriemanLaneand LaurierAvenue W.: from5a.m. to 6p.m.
• Queen Elizabeth Driveway between Elgin and Somerset streets: from6 a.m. to 2:30 p.m.
• Elgin Street between Cooper and Slater streets: from5 to 10:30 a.m.
• Elgin Street between Cooper and Catherine streets:from 8:45 to 9:45 a.m.
• Lisgar Street between Cartier & Elgin streets: from6 to 8:30 a.m.
• Cartier Street between Lisgar and Cooper streets: from7:45 to 8:30 a.m.
• Cooper Street between Cartier street and The Driveway: from7:45 to 8:30 a.m.
• The Driveway between Cooper and Somerset streets: from7:45 to 8:30 a.m.
• Wellington Street W. eastbound between Elgin Street and ColonelBy Drive: from6:30 a.m. to 2p.m.
• Rideau Street westbound between Sussex Drive and Mackenzie Avenue 7:30 am-2:00 pm
• Preston Street northbound between Queen ElizabethDriveway andCarlingAvenue: from6:30 to 10:45 a.m.
• CarlingAvenue westbound between Preston Street andSherwood Drive: from6:45 to 11a.m.
• CarlingAvenue eastbound at Preston Street: from 6:45 to 11a.m.
• Sherwood Drivebetween Carling andFairmont avenues: from6:15 to 11:15 a.m.
• Fairmont Avenue between Sherwood Drive & Wellington Street: from6:15 to 11:30 a.m.
• Wellington Streetbetween FairmontAvenueandIsland Park Drive: from6:15 to 11:45 a.m.
• Richmond Road between Island Park Drive and AthloneAvenue: from6:15 to 9:30 a.m.
• AthloneAvenue between Richmond Road and Scott Street: from6:15 to 9:30 a.m.
• Sir Frederic Banting Drive and ColombineDriveway: from6:30 a.m. to 12p.m.
• Scott Street eastbound between Churchill Avenue andIsland Park Drive: from6:15 to 10 a.m.
• Scott Streetwestbound between Island Park Drive and Holland Avenue: from6:15 a.m. to 12p.m.
• Island Park Drive between Scott Streetand Richmond Road: from 8:15 to 11:45 a.m.
• Sir John A Macdonald Parkway/Wellington Street between Booth Street and Island Park Drive: from6:15 a.m. to 12:15 p.m.
• Booth Street between Wellingtonand Eddy streets:6:45 a.m. to 12:45 p.m.
• Chaudire Bridge between 6:45 a.m. and 12:45 p.m.
• Eddy Street between Booth Street and rue Wright: from7 to 1p.m.
• Boulevard Alexandre-Tach between rue Eddy and rue Montcalm:from 7 a.m. to 12:45 p.m.
• Boulevard Alexandre-Tach between rue Montcalm and rue Scott:from 7 to 10:45 a.m.
• Rue Scott between boulevard Alexandre-Tach and rue Graham: from7 to 11a.m.
• Promenade du Lac-des-Fes between rue Graham and rue St. Jean Bosco: from7 to 11a.m.
• Rue St Jean Bosco between promenade duLac-des-Fes and rue Lois 7 to 11:15 a.m.
• Rue Lois between rue St. Jean Bosco and rue Montcalm:from 7 to 11:30 a.m.
• Rue Montcalm southboundbetween rue St. Joseph and rue Papineau: from7 to 11:30 a.m.
• Rue Montcalm between rue Papineau and rue Wellington: from7 to 11:30 a.m.
• Rue Montcalm between rue Wellington and cheminTach: from7a.m. to 12:45 p.m.
• Rue Wellington between rue Montcalm and rue Eddy: from7a.m. to 12:45 p.m.
• Promenade du Portage between rue Eddy and rue de l'Htel-de-Ville: from7a.m. to 12:45 p.m.
• Rue del'Htel-de-Ville between Promenade du Portage and rue Laurier:from 7a.m. to 12:45 p.m.
• Rue Laurier between rue del'Htel-de-Ville and boulevard des Allumettires: from7a.m. to 1:15 p.m.
• Alexandra Bridge between 6:45 a.m. and 1:30 p.m.
• St. Patrick Street between Parent Avenue and Sussex Drive: from6a.m. to 1:30 p.m.
• Sussex Drive between Rideau Street and the George tienne Cartier Parkway: from6:00 a.m. to 1:45 p.m.
• The George tienne Cartier Parkway between Princess Street and the Aviation Parkway:6:45 a.m. to 1:30 p.m.
• Buena Vista Road between the Georgetienne Cartier Parkway and LisgarRoad:from 6:45am to 1:30 p.m.
• Lisgar Road between Buena Vista Road and the Georges tienne Cartier Parkway: from6:45 a.m. to 12:15 p.m.
• Birch Avenue between the Georgetienne Cartier Parkway and Hemlock Road: from6:45 a.m. to 12:45 p.m.
• Hemlock Road westbound between St. Laurent Boulevardand LansdowneRoad:6:45 a.m. to 1p.m.
• BeechwoodAvenue westbound between LansdowneRoad and Acacia Avenue: from6:45 a.m. to 1p.m.
• BeechwoodAvenue westbound (one lane)between Acacia Avenueand Crichton Street:6:45 a.m. to 1:15 p.m.
• Crichton Street northbound between BeechwoodAvenue and DufferinRoad:6:45 a.m. to 1:15 p.m.
• DufferinRoad between Stanley Avenue and Crichton Street:6:45 a.m. to1:15 p.m.
• Stanley Avenue between DufferinRoad and Sussex Drive:6:45 a.m. to 1:30 p.m.
• Colonel By Drive fromRideau Street to Hawthorne Avenue:6a.m. to 2p.m.
• Pretoria Bridge: from6:30 a.m. to 2p.m.