Grant Park closes to the public on Saturday, October 10 and Sunday, October 11 as Chicago prepares for the 48th Chicago Marathon, which starts at 7:30 a.m. Sunday. More than 55,000 runners will move through 29 neighborhoods, with rolling street closures and overnight parking restrictions along the entire 26.2-mile course.
Key Takeaways
- Grant Park is closed to the public from Saturday, October 10 through Sunday, October 11, and the Grant Park dog park is closed from Thursday, October 8 through Sunday.
- Street closures in the Grant Park area have been in place since September 24 and extend into Friday, October 16.
- Vehicles parked on the marathon course must be removed by 1 a.m. Sunday or risk being ticketed and towed.
- Race organizers expect about 1.7 million spectators along the route.
- More than 200,000 people applied for a spot in the 2026 race, and 2025 participants raised a record $47.1 million for charity.
- The city’s Office of Emergency Management and Communications will activate its Emergency Operations Center to coordinate race-day resources.
Grant Park Becomes a Closed Race Operations Zone
The city and race organizers confirmed their race-week plans on October 6, and the most immediate change for downtown residents is Grant Park itself. The park is closed to the public Saturday and Sunday, and the start and finish areas inside it are restricted on race day to participants with event-issued bibs, credentialed staff and ticketed guests. Friends and family cannot walk runners to the start line or meet them at the finish.
Dog owners in the South Loop lose access sooner. The Grant Park dog park closes Thursday, October 8 and stays closed through Sunday. Pickleball players and other park users can expect partial access through the 11th Street entrance when it is open.
Butler Field opens to the public at 9:30 a.m. Sunday for the post-race party, which gives spectators a defined place to reunite with runners once the finish area clears.
Course Closures Ripple Through 29 Neighborhoods
The Chicago Marathon is not a downtown-only event. The course loops north into Lincoln Park and Lakeview, west through the Near West Side and Pilsen, south through Chinatown and Bronzeville, and back up Michigan Avenue to Grant Park. Streets along the route begin closing at 6 a.m. Sunday and reopen in stages as the final runners pass, with some corridors near the start reopening by late morning and others staying closed into the afternoon.
Parking restrictions are the detail residents miss most often. Cars left on the course must be off the street by 1 a.m. Sunday, and vehicles left behind can be ticketed and towed. Residents on blocks along the route should check the official closure maps on Saturday night, not Sunday morning.
Public transit is the practical choice for anyone moving through the city on race day. Drivers who need to cross the course should plan around the expressway system and expect delays, since most east-west crossings near the route are blocked until runners clear each segment.
A Record Field Brings a Global Crowd
The scale of this year’s race helps explain the long closure windows. More than 55,000 runners are expected to cross the finish line, making it one of the largest fields in the race’s history. Participants come from all 50 states and more than 130 countries, and more than 200,000 people applied for a chance to run.
Executive Race Director Carey Pinkowski said in the October 6 announcement that no event in Chicago brings together people, neighborhoods, businesses, public safety and government agencies the way the marathon does. Frank Velez, executive director of the Office of Emergency Management and Communications, said the city has worked with organizers and law enforcement partners to minimize impacts while keeping the event safe for runners, residents and visitors.
Neighborhood Businesses Feel the Marathon Weekend
For small businesses along the course, marathon weekend cuts both ways. Restaurants, coffee shops and bars near popular cheering spots typically see heavy foot traffic from the roughly 1.7 million spectators who line the route. Businesses that rely on vehicle access, deliveries or early Sunday customers face the opposite problem, with closed streets and towed cars limiting who can reach them.
The weekend’s economic footprint also extends beyond race day. The race’s health and fitness expo runs Thursday, October 8 through Saturday, October 10 at McCormick Place, drawing runners and their families into hotels, restaurants and transit for several days before the start. The charity side carries weight as well: 2025 participants raised a record $47.1 million for local, national and global nonprofits, much of it directed to Chicago-based organizations.
The practical lesson for business owners along the route is to plan deliveries for Friday or Saturday and to post Sunday access information for customers well before race morning.
Race Day Timeline for Chicago Residents
Professional fields, including wheelchair athletes, begin at 7:20 a.m., followed by the main 7:30 a.m. start and additional waves through the morning. Course streets begin closing at 6 a.m., Grant Park opens to spectators for the post-race party at 9:30 a.m., and Grant Park closures continue into the following week as crews break down the start and finish areas.
FAQs
When is the 2026 Chicago Marathon?
The 2026 Chicago Marathon is Sunday, October 11, with the main start at 7:30 a.m. in Grant Park. Professional and wheelchair fields begin at 7:20 a.m.
Is Grant Park closed for the Chicago Marathon?
Yes. Grant Park is closed to the public Saturday, October 10 and Sunday, October 11. Butler Field opens to spectators at 9:30 a.m. Sunday for the post-race party.
When do I need to move my car for the Chicago Marathon?
Vehicles parked on the marathon course must be moved by 1 a.m. Sunday, October 11. Cars left on the route can be ticketed and towed.
How many neighborhoods does the Chicago Marathon course pass through?
The 26.2-mile course passes through 29 Chicago neighborhoods, starting and finishing in Grant Park.
