The race starts and finishes in Grant Park, traveling through 29 neighborhoods along its course. There are street closures before, during and after the race.
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All streets will reopen by 6 a.m. Monday, the city said. Here is the complete list of street closures by day.
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.
- 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
- Balbo Dr. from Michigan Ave. to Columbus Dr. 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- Michigan Ave. from Madison to 9th St. will be closed at 4 a.m. and open at 9 a.m.
- Roosevelt Rd. from Michigan to Columbus Dr. will be closed at 4 a.m. and open at 6 p.m.
- Michigan Ave. from 9th St. to Roosevelt Rd will be closed at 5:30 a.m. and open at 4 p.m.
There will also be parking restrictions along the marathon course marked with "No Parking Zone" signs. Towing will be strictly enforced the city said.