September 17, 2026
If you've lived through even one Chicago Marathon, you think you know the rhythm by now. The neighborhood goes quiet early on a Sunday, a wall of runners passes for a few hours, and by mid-afternoon your street is yours again. That rhythm is mostly true this year too. But the part you've internalized about when it starts is wrong by an hour, and that hour matters if you're planning to drive anywhere before your usual errands.
The race itself lands on Sunday, October 11, its 48th running, with roughly 55,000 participants moving through 29 neighborhoods over 26.2 miles. What's changed is the closure window around it. According to the marathon's own street-closures page, this year's course streets shut down to traffic at 6 a.m. and stay closed until 4 p.m. Coverage of the 2024 race put that same closure window at 7 a.m. to 4 p.m. That's a real hour of driving time gone from the front end, and it's the kind of detail that doesn't show up in a generic "here's the route" roundup.
Vehicle towing along the course has always started at 1 a.m., and that hasn't changed. If you park on a course street, you've never had the option of sleeping in and moving your car after breakfast. What's new is that the general traffic closure, the one that affects anyone trying to cross the route by car even if they're not parked on it, now begins an hour earlier. If your habit has been to squeeze in a Trader Joe's run or drop a kid at a 7 a.m. practice before the barricades go up, that window is gone this year.
The rolling reopening at the other end works the same way it always has: streets clear as the final runners pass, tracked at roughly a 15-minute-per-mile pace, not on a fixed clock. In 2024, city guidance pegged the reopening near the 13-mile mark around 1:15 p.m. That's a useful mental anchor for how the back half of the day tends to play out, though the exact minute shifts year to year with weather and field size. The honest answer for anyone asking "when do I get my street back" is: not until the sweep vehicle clears your mile, and that has nothing to do with what time the closures started.
Not every road in the city shuts down, and the list of exceptions is worth keeping on your phone if you live near the course. The marathon's official closure page names specific segments that remain open to traffic throughout the day:
| Street | Segment that stays open |
|---|---|
| Michigan Ave. | North of 11th St., including access to the Magnificent Mile |
| Clybourn Ave. | Entire route |
| Lincoln Ave. | North of Sedgwick St. |
| Clark St. | North of Diversey Pkwy. |
| Milwaukee Ave. | Entire route |
| Halsted St. | North of Monroe St., and south of Cermak Rd. |
| Ashland Ave. | North of Adams St., and south of Jackson Blvd. |
| Damen Ave. | North of Adams St., and south of Jackson Blvd. |
| Archer Ave. | South of Cermak Rd. |
| Michigan Ave. | South of 35th St. |
| Martin Luther King Dr. | Entire route |
If your daily route runs along any of these, your Sunday looks close to normal. If it doesn't, the safer assumption is that you're boxed in from 6 a.m. until the runners near you have passed.
The course leaves Grant Park and heads into the Loop before swinging north through River North and into Lincoln Park, passing close to Lincoln Park Zoo around miles 7 through 9. That stretch overlaps with Boystown and Northalsted, which has developed a reputation as one of the loudest points on the entire course, with a block-party atmosphere that draws its own crowd independent of anyone actually running. From there the route turns west through Wicker Park and Bucktown before curving back south through Old Town, Little Italy and the UIC area, then into Pilsen around mile 19, where mariachi bands are a fixture, and Chinatown near mile 21, known for lion dancers greeting runners at a point in the race where most of them badly need the lift. The final stretch turns north up Michigan Avenue back toward Grant Park.
None of this is exotic information if you've watched the race once. What's easy to miss is how much that route determines your actual Sunday options depending on which side of it you live on. A Bucktown resident and a Pilsen resident are dealing with completely different closure timelines even though they're both "near the marathon."
Because the course forms a closed loop for most of the morning, getting from one side of it to the other by car is genuinely hard between 6 a.m. and early afternoon. The CTA rail system is the more reliable option, since several lines cross the route at fixed points that double as places to check on the race if you're curious. The Blue Line stop at UIC-Halsted sits near miles 14 and 17, walkable to Greektown. The Pink Line's 18th Street stop puts you a few blocks from the Pilsen stretch around mile 19. The Red Line's Cermak-Chinatown stop lands you right at the mile 21 crowd. And Roosevelt station, served by the Red, Green and Orange Lines, gets you closest to the finish near Grant Park. If you have somewhere to be on the other side of the course, plan around one of these crossings rather than trying to find a gap in traffic.
Race-day closures aren't the only disruption if you live near the South Loop. Runners pick up bibs in person at the Abbott Health and Fitness Expo at McCormick Place, running Thursday, October 8 through Saturday, October 10 this year, which brings steady foot and vehicle traffic to that corridor days before the marathon itself. Saturday also brings its own event, the Abbott Chicago 5K downtown, with a separate set of street closures layered on top of expo traffic. If your building sits near McCormick Place or the South Loop generally, expect the disruption to start well before Sunday morning.
| Day | What's happening |
|---|---|
| Thu, Oct. 8 – Sat, Oct. 10 | Abbott Health and Fitness Expo, McCormick Place |
| Saturday, Oct. 10 | Abbott Chicago 5K, downtown, with its own closures |
| Sunday, Oct. 11 | Marathon, streets closed 6 a.m.–4 p.m., waves start 7:20–8:35 a.m. |
| Sunday, Oct. 11 | Grant Park opens to spectators 9:30 a.m., post-race party runs until 4 p.m. |
For hyperlocal detail beyond the citywide list, neighborhood chambers of commerce often publish their own street-by-street breakdowns. In past years, Lincoln Park's chamber has named the exact segments affected on its stretch of the course, down to Stockton Drive, Fullerton Drive, Cannon Drive, Sheridan Road, Clark Street, Webster Avenue, Sedgwick Street and North Avenue. If you live somewhere the course passes through, it's worth checking whether your own chamber has published something similar for this year.
The marathon itself hasn't changed much. The route still loops through the same 29 neighborhoods it always has, the crowds still gather in the same places, and the finish still lands back in Grant Park after the final approach up Michigan Avenue. What's different this year is the front end of the closure window, and if you're the kind of resident who's learned to work around this race without thinking too hard about it, that hour is the one detail worth resetting before October 11.
Whether this race is background noise on your block or the reason you're rethinking how close you want to live to the course next year, understanding how a neighborhood actually behaves on a day like this is part of understanding the neighborhood itself. If you're weighing a move to a quieter stretch of the city, or wondering what your current home is worth in a market that keeps shifting under normal life like this, the team at Alejandro Trujillo is happy to talk through it. You can also start with a free instant home valuation to see where your property stands today.
With a focus on continuing to educate their agents and continued attention to an amazing culture they have built, Alejandro & Mike have a huge vision for RE/MAX NEXT and their clients and work every day to achieve it.