Thousands of cyclists will be racing through the streets on Sunday for the annual CN Cycle for CHEO.

The event is CHEO's largest cancer fundraiser, with a goal of raising at least $750,000.

The first race, the 70 km cycle, leaves LeBreton Flats at 8:30 a.m. Sunday, with the shorter routes slated to take off later in the morning. Cyclists are expected to return to LeBreton Flats before 12:30.

A number of streets will be closed between 8 a.m. and 2 p.m. for the popular event.

Road closures include:

  • Sir John A. Macdonald Parkway (Booth St. to Island Park Dr.) 6 a.m. - 1 p.m.
  • Sir John A. Macdonald Parkway (Island Park Dr. to Carling Ave.)8 a.m. - 12:30 p.m.
  • Wellington St. (Eastbound lane reduction Booth St. to Lyon St.) 8 a.m. - 10:15 a.m.
  • Wellington St. (Westbound lane reduction Sussex Dr. to Lyon St.) 10 a.m. - 1 p.m.
  • Wellington St. (Westbound Lyon St. to Booth St.) 10 a.m. - 1 p.m.
  • Portage Bridge (Closed both directions) 10 a.m. - 1 p.m.
  • Lyon St. (Wellington St. to Laurier Ave.) 8 a.m. - 10:15 a.m.
  • Laurier Ave. (Lyon St. to Elgin St. closed to all but crossing traffic) 8 a.m. - 11 a.m.
  • Laurier Ave. (Eastbound lanes Elgin St. to Nicholas St.) 8 a.m. - 11 a.m.
  • Queen Elizabeth Dr. 8 a.m. - 11 a.m.
  • Prince of Wales Dr. (Northbound lane Preston St. to Heron Rd.) 8 a.m. - 11:15 a.m. (Local access to Agricultural Museum from Preston St. and Scenic Dr.  Local access to churches from Heron Rd.)
  • Heron Rd. (Lane reductions Prince of Wales Dr. to Riverside Dr.) 8 a.m. - 11:15 a.m.
  • Vincent Massey Park Access 8 a.m. - 11:15 a.m. Access into VMP from Heron westbound available. Access into VMP from Heron eastbound not available or limited access from 9 a.m. to 11:15 a.m.
  • Riverside Dr. (Southbound lane reduction Heron Rd. to Hogs Back Rd.) 8:00 a.m. - 11:30 a.m.
  • Hogs Back Rd. (Westbound lanes Riverside Dr. to Colonel By Dr.) 8 a.m. - 11:30 a.m.
  • Colonel By Dr. 8 a.m. - 12:15 p.m.
  • Sussex Dr. (Rideau St. to Rockcliffe Pkwy) 9 a.m. - 12:30 p.m. (Local access to Notre Dame Basilica from St. Patrick St.)
  • Sir George Étienne Cartier Parkway (Rockliffe Parkway) 9 a.m. - 12:30 p.m. (Local access to Aviation Museum and Rockcliffe Flying Club from Aviation Pkwy)