Illinois Marathons
16 upcoming marathons across Illinois, updated nightly. Want radius search and maps? Open these in the Race Finder.
When to race: marathons in Illinois
Illinois has 16 upcoming marathons over the next 12 months. Among complete calendar months, May 2027 has the most listed races, with 6. Most are around Chicago, Vienna, Manito. The next one is Tunnel Hill on November 14 in Vienna.
- Nov 20262 races
- Mar 20272 races
- Apr 20271 race
- May 20276 races
- Sep 20271 race
- Oct 20274 races
Going deep on one race
Bank of America Chicago Marathon: the complete guide
The course mile by mile, where to stay near the start, the expo, where to watch, and the whole race weekend planned out.
Bank of America Chicago Marathon: the course, mile by mile
The elevation profile, every named climb, mile by mile grades, a route map and typical race day weather.
November 2026
- Sat 11/14Tunnel HillVienna, IL · 50 Mile · 100 Mile · 100K · Marathon · from $10 · registration closed · register ↗
- Sat 11/14Tunnel Hill 100Vienna, IL · 100 Mile · 100K · 50 Mile · Marathon · register ↗
March 2027
- Sat 3/6Cactus Classic Trail RacesManito, IL · Marathon · Half Marathon · 10K · Trail · register ↗
- Sat 3/27Rend Lake MarathonBenton, IL · Marathon · Half Marathon · 6.5 Miles · from $50 · register ↗
April 2027
- Sat 4/10Southern Illinois 10K, Micro-Marathon, and PeeWee MarathonMarion, IL · 10K · 2.6 Miles · Marathon · from $15 · register ↗
May 2027
- Sat 5/1RIVER TO RIVER MARATHONRockport, IL · 25.5 Miles · from $89 · registration closed · register ↗
- Sun 5/2Chicagoland Spring Marathon, Half Marathon & 10KSchaumburg, IL · Marathon · Half Marathon · 10K · from $40 · register ↗
- Sat 5/8F^3 Cap Sauers Trail Marathon & 10 MilePalos Hills, IL · Marathon · 10 Mile · Trail · from $60 · register ↗
- Sat 5/8Starved Rock Country MarathonOttawa, IL · Marathon · Half Marathon · 10K · 5K · from $45 · register ↗
- Sat 5/22Red Cedar Trail Races at Giant City State ParkMakanda, IL · 5K · 13.6 Miles · Marathon · 50 Mile · Trail · from $15 · register ↗
- Sat 5/29WARRIOR RUSH: Clash of Olympus 5K - 10K - Half Marathon 13.1 - Full Marathon 26.2 (Chicagoland)Wheaton, IL · 5K · 10K · Half Marathon · Marathon · from $30 · register ↗
September 2027
- Sun 9/26TBK Bank Quad Cities MarathonMoline, IL · Marathon · Half Marathon · 10K · 5K · 1 Mile · register ↗
October 2027
- Fri 10/8Bank of America Chicago Marathon Semper Fi & America's Fund TeamChicago, IL · Marathon · from $100 · register ↗
- Sat 10/9Des Plaines River Trail RacesLake County, IL · 50 Mile · 50K · Marathon · Half Marathon · Trail · register ↗
- Sun 10/102027 Bank of America Chicago MarathonChicago, IL · Marathon · register ↗
- Sun 10/102027 Bank of America Chicago Marathon ACS Team DetermiNation Reservation SystemChicago, IL · Marathon · from $25 · register ↗
Planning a race
- Boston qualifying timesthe BQ standard for every age group, and what the cutoff has really been
- Choosing a first marathonwhat to look for in a debut race, and what to avoid
More Illinois: 5K Races · 10K Races · Ultras · All Illinois races · Browse by state