CHICAGO — The Chicago Marathon will once again bring thousands of runners and spectators to the city this weekend.

The marathon is in its 46th year in Chicago and is set to take place Sunday, October 13. The Men’s Wheelchair begins at 7:20 a.m. and starting corrals begin throughout the morning with the last starting at 8:35 a.m.

Spectators are granted access to Grant Park starting at 9:30 a.m. The marathon has also established Cheer Zones throughout the course.

A full course map can be viewed here.

Packet pick-up is underway at the Abbott Health & Fitness Expo at McCormick Place. It runs from 11 a.m. to 6 p.m. Thursday, 9 a.m. – 6 p.m. Friday and Saturday.

Many downtown street closures are already in place for the race. Several more will close early Sunday morning.

You can see a full list of Sunday’s closures here (pdf).

The following streets will be closed for the times listed, according to the city’s website.

• Wednesday, October 9: Jackson Dr. from Columbus Dr. to DuSable Lake Shore Drive will close at 10 a.m. and reopen on Monday, October 14 at 6 a.m.
• Thursday, October 10: Balbo Dr. from Michigan Ave. to Columbus Dr. will close at 4 a.m. and reopen on Monday, October 14 at 3 p.m.
• Thursday, October 10: Columbus Dr. from Ida B. Wells to Roosevelt Rd will close at 4 a.m. and reopen on Monday, October 14 at 3 p.m.
• Friday, October 11: Columbus Drive from Monroe to Jackson St. will close at 4 a.m. and reopen on Sunday, October 13 at 8 p.m.
• Friday, October 11: Congress Plaza on Michigan Ave. (Van Buren St. to Harrison St. will close at 4 a.m. and reopen on Sunday, October 13 at 8 p.m.
• Friday, October 11: Ida B. Wells from Michigan Ave to Congress Plaza will close at 4 a.m. and reopen on Sunday, October 13 at 8 p.m.
• Friday, October 11: Ida B. Wells from Congress Plaza to Columbus Dr. will close at 4 a.m. and reopen on Sunday, October 13 at 8 p.m.
• Friday, October 11: Jackson Dr. from Michigan Ave. to Columbus Dr. will close at 4 a.m. and reopen on Sunday, October 13 at 8 p.m.
• Saturday, October 12: Columbus Dr. from Randolph to Monroe St. will be closed at 6 a.m. and open on Sunday, October 13 at 2 p.m.
• Saturday, October 12: Roosevelt Rd. from Columbus Dr. to DuSable Lake Shore Drive will be closed at 11 a.m. and open on Sunday, October 13 at 6 p.m.
• Saturday, October 12: Monroe St. from Michigan Ave. to Columbus Dr. will be closed at 4 a.m. and open on Sunday, October 13 at 2 p.m.
• Saturday, October 12: Monroe St. from Columbus Dr. to DuSable Lake Shore Drive will be closed at 4 a.m. and open on Sunday, October 13 at 5 p.m.
• Sunday, October 13: Columbus Dr. from McFetridge Dr. to Roosevelt Road will be closed 4 a.m. and open at 6 p.m.
• Sunday, October 13: Michigan Ave. from Madison to 9th St. will be closed at 4 a.m. and open at 9 a.m.
• Sunday, October 13: Roosevelt Rd. from Michigan to Columbus Dr. will be closed at 4 a.m. and open at 6 p.m.
• Sunday, October 13: Michigan Ave. from 9th St. to Roosevelt Rd will be closed at 5:30 a.m. and open at 4 p.m.
• All streets will be fully reopened by Monday, October 14 at 6 a.m.