Illinois Marathons
13 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 13 upcoming marathons over the next 12 months. Among complete calendar months, May 2027 has the most listed races, with 4. Most are around Chicago, Tinley Park, Peoria. The next one is Run to Pub Fall Marathon Relay on October 24 in Tinley Park.
- Oct 20262 races
- Nov 20262 races
- Mar 20271 race
- May 20274 races
- Jun 20271 race
- Oct 20273 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: fly the course in 3D
Fly the full course in 3D over real buildings, bridges and terrain, with the elevation profile, every named climb, and typical race day weather.
October 2026
- Sat 10/24Run to Pub Fall Marathon RelayTinley Park, IL · Marathon · register ↗
- Sat 10/24Screaming PumpkinPeoria, IL · Marathon · Half Marathon · 6 Miles · 2 Mile · 6.5 Miles · register ↗
November 2026
- Sat 11/714th Annual Springfield Marathon & Harvest Wind Half Marathon & 10KNew Berlin, IL · Marathon · Half Marathon · 10K · from $45 · register ↗
- Sat 11/14Tunnel Hill 100Vienna, IL · 100 Mile · 100K · 50 Mile · Marathon · register ↗
March 2027
- Sat 3/27Rend Lake MarathonBenton, IL · Marathon · Half Marathon · 6.5 Miles · from $50 · 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 ↗
June 2027
- Sat 6/5Red Cedar Trail Races at Giant City State ParkMakanda, IL · 5K · 13.6 Miles · Marathon · 50 Mile · Trail · from $15 · registration closed · register ↗
October 2027
- Fri 10/8Bank of America Chicago Marathon Semper Fi & America's Fund TeamChicago, IL · Marathon · from $100 · 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