Chicago Marathon 2025

• Flat, fast course ideal for personal bests and major marathon qualifications.
• Convenient for spectators with a looped course and accessible public transit.
• Scenic route featuring iconic Chicago neighborhoods and landmarks.
• World-class organization with comprehensive runner support and logistics.
• Must complete the marathon within a 6-hour, 30-minute time limit.

The Bank of America Chicago Marathon is a must-run event for any serious marathoner. Held every October, this race is renowned for its fast, flat course that winds through 29 vibrant neighborhoods, starting and finishing in Grant Park. It's a prime opportunity for runners aiming to set personal bests or even world records. The atmosphere is electric, with 1.7 million enthusiastic spectators and the dedicated support of over 12,000 volunteers cheering you on. Since its inception in 1977, the race has grown exponentially, now drawing over 45,000 finishers and receiving more than 160,000 applications for future events. With 20 strategically placed aid stations and comprehensive medical support, participants are well cared for throughout their 26.2-mile journey. The Chicago Marathon isn't just a race; it's a celebration of community and endurance that attracts both elite athletes and passionate runners from around the globe.

Expect temperatures between 45-55°F (7-13°C) in the morning, rising to 60-70°F (15-22°C) by afternoon. October in Chicago is generally dry, with little rain during the marathon. Be prepared for variable winds from Lake Michigan and a mix of partly cloudy to mostly sunny skies.

The Chicago Marathon offers a thrilling 26.2-mile journey through the heart of the city, starting and ending in the vibrant Grant Park. This single-loop course winds through 29 of Chicago's diverse neighborhoods, each offering its own flavor and energy.

Renowned for its flat terrain, the course boasts minimal elevation gain, mostly encountered at bridge ramps and underpasses. This makes it perfect for runners chasing personal bests or qualifying times. The urban landscape, framed by Chicago's iconic skyscrapers, adds a unique backdrop to the race.

Runners will experience the city's cultural tapestry, passing landmarks like the historic Union Station at mile 13 and the spirited Chinatown Gate at mile 19. The course also offers a glimpse of Guaranteed Rate Field, home to the Chicago White Sox. As you navigate through neighborhoods like Lakeview, Old Town, Pilsen, and Bridgeport, the crowd's energy is palpable.

Despite its flatness, the course presents subtle challenges, particularly between miles 9 and 10.5, where shifts in terrain demand strategic pacing. Overall, the Chicago Marathon is celebrated for its blend of speed, culture, and community spirit, ensuring a memorable race day.

Visiting Chicago during the marathon weekend is an opportunity to immerse yourself in the city's vibrant culture and iconic attractions. Beyond the race, Chicago's Museum Campus is a must-see. Explore the wonders of the Field Museum, the marine life at Shedd Aquarium, and the interactive exhibits at the Museum of Science & Industry. These venues offer a perfect blend of education and entertainment, set against the picturesque lakefront.

Stroll through Millennium Park to experience some of Chicago's famous public art, including the reflective Cloud Gate, affectionately known as "The Bean." Enjoy the interactive Crown Fountain and catch a free performance at the Jay Pritzker Pavilion. For a different perspective, embark on a boat tour or kayak along the Chicago River, taking in the city's architectural marvels and the captivating Art on theMART display.

Chicago's diverse neighborhoods offer rich cultural experiences. In Chinatown, savor authentic cuisine and visit the Chinese-American Museum. The vibrant street art and Latino heritage of Pilsen, along with the National Museum of Mexican Art, are not to be missed. Meanwhile, Andersonville welcomes you with its inclusive atmosphere and the intriguing Swedish American Museum. Extend your visit to enjoy neighborhood festivals, live performances, and the city's renowned dining scene, ensuring your trip is as memorable as the marathon itself.