Illinois 2025 Marathons

The Springfield Marathon features a USATF-certified course that winds through New Berlin's scenic landscapes, offering a mostly flat terrain with gentle, rolling hills that appeal to those seeking a Boston qualifier. Held in November, the race provides ideal running conditions with cooler temperatures, a close-knit atmosphere, and versatile race options, making it a compelling choice for both seasoned marathoners and first-timers.

The Spring Chance BQ.2 Marathon features a flat, multiple-loop course along the scenic Fox River, offering runners a smooth and fast route with minimal elevation changes. Designed for those aiming to qualify for the Boston Marathon, this intimate race in Geneva, Illinois, combines comprehensive support with ideal race-day conditions to help participants achieve their personal bests.

The Naperville Marathon offers a scenic and challenging course with a notable 305-foot elevation gain, weaving through vibrant city streets and serene natural landscapes, including picturesque areas like the Herrick Lake Forest Preserve. Starting and finishing at North Central College Benedetti–Wehrli Stadium, this USATF-certified race combines strong community support and a welcoming atmosphere, making it an ideal event for both seasoned marathoners and newcomers seeking a memorable running experience.

The Illinois Marathon features a scenic looped course that starts near the State Farm Center and finishes dramatically at the 50-yard line of Memorial Stadium, with minimal elevation changes perfect for fast times. Celebrated for its warm community support and efficient logistics, this springtime race in Champaign-Urbana is an ideal choice for runners aiming for personal bests or Boston Marathon qualification.

The Chicagoland Spring Marathon offers a scenic and flat course, beginning in Schaumburg’s vibrant business district and winding through the serene landscapes of Busse Woods, complete with lakes, forests, and even an elk pasture. This USATF-certified event is perfect for those aiming for personal bests or Boston Marathon qualifications, enhanced by ideal weather and celebrated with local favorites like Giordano's pizza at the finish line.

The Cap Sauers Trail Marathon challenges runners with its rugged course, featuring two loops of a 10-mile trail and a 10k out-and-back, nestled in the scenic Sag Valley with over 1,000 feet of elevation gain. Set in the tranquil Palos Forest Preserve, this well-organized event offers a refreshing escape into nature, complete with frequent aid stations and a supportive atmosphere for trail enthusiasts.

The Starved Rock Country Marathon takes runners through a stunning landscape shaped by the Illinois River, featuring rolling hills and natural rock formations that promise a visually rewarding challenge. As a Boston Marathon qualifier, this race in Ottawa, Illinois, combines competitive appeal with the scenic allure of Starved Rock State Park, making it a must-experience event in central Illinois.

The Heartland Series Marathon in Fulton, Illinois, challenges runners with its unique 16-lap course on smooth asphalt, starting near the iconic Windmill Cultural Center and offering minimal elevation gain for those seeking speed. As part of a multi-state series along the picturesque Upper Mississippi River Valley, this intimate race fosters a close-knit community atmosphere, perfect for runners looking to test their endurance while enjoying the charm of a small-town setting.

Set along the scenic Fox River in Geneva, Illinois, the Last Chance BQ.2 Marathon Chicagoland features a flat, looped course designed to optimize pacing and support for runners aiming to qualify for the Boston Marathon. With a high success rate and just 300 spots, this USATF-certified race offers an intimate, focused atmosphere perfect for serious marathoners.

The Fox Valley Marathon takes runners on a scenic journey through the charming towns of St. Charles, Geneva, and Batavia, following the picturesque Fox River on a mostly flat course with just a few gentle inclines. Known for its small race atmosphere and big race amenities, this event offers a supportive, family-friendly environment with multiple race options, making it a perfect choice for both seasoned marathoners and newcomers.

The Belleville Marathon takes you on a journey through America's longest Main Street, combining 16 miles of lively urban roads with 10 miles of scenic paved trails in St. Clair County. This USTAF-certified Boston Qualifier offers runners a unique blend of historic charm, diverse terrain, and enthusiastic community support, creating a memorable racing experience in Belleville, Illinois.

The Quad Cities Marathon offers a scenic 26.2-mile course that uniquely weaves through four cities and two states, featuring breathtaking views of the Mississippi River and three iconic bridges. This USATF-certified Boston Qualifier is more than a race; it's a vibrant celebration complete with live entertainment, strong community support, and a variety of events that create an unforgettable experience for runners of all levels.

The Chicago Marathon's single-loop course navigates through 29 diverse neighborhoods, offering runners a flat, fast route ideal for setting personal bests and enjoying the city's iconic skyline. This October race is a vibrant celebration of community spirit, supported by 1.7 million enthusiastic spectators and over 12,000 dedicated volunteers, making it a standout event for both elite and passionate marathoners.

The Tunnel Hill Marathon takes runners on a breathtaking tour of the Tunnel Hill State Trail in southern Illinois, featuring a fast, predominantly crushed rock path with a gentle 2% grade and the iconic 600-foot Tunnel Hill Tunnel. Known for its Boston Qualifying potential, this USATF/IAAF certified race offers a unique blend of road and trail running amidst stunning fall scenery, enhanced by the camaraderie of concurrent ultra-running events.