Illinois · 10K

2026-2027 10K Races in Illinois

Every upcoming 10K in Illinois, all 76 of them, sorted by date. Dates, entry fees, finish-time stats from past results, and start-line maps.

76 upcoming 10K races · 27 with finish-time stats

5K Races 268Half Marathons 57Marathons 7Ultramarathons 4
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By the numbers

The Biggest and Longest-Running

The Illinois races that stand out on the numbers: the biggest field, and the longest unbroken run of editions.

Largest field481 finishersDeKalb Corn Classicin the 5KLongest-running15th year15th Annual Good Hope Turkey Trotannual tradition

Illinois 10K Races by City

Chicago 35Wheaton 4Elk Grove Village 3Shorewood 2Bourbonnais 2Byron 2Quincy 1Mount Carmel 1Lake Zurich 1Urbana 1Mc Nabb 1New Lenox 1New Berlin 1Decatur 1Lincolnwood 1Good Hope 1N/a 1Orland Park 1Rolling Meadows 1Deer Park 1Oakwood 1Galena 1Monticello 1Schaumburg 1

10K Races in Illinois by Month

October 2026 5November 2026 15December 2026 9January 2027 5February 2027 5March 2027 6April 2027 7May 2027 12June 2027 5

The Next 10K Runs in Illinois

76 total
Sun, Oct 25, 2026Tri-State Warrior Run Quincy, IL1 Mile5K10KHalf MarathonRegistration closedFrom $30Details Sun, Oct 25, 2026Spooky Sprint - Greater Chicago Shorewood, IL50m1 Mile5K10KFrom $50Details Sat, Oct 31, 2026Riverview Ramble Half Marathon Mount Carmel, ILHalf Marathon10K5KFrom $45Details Sat, Oct 31, 2026PB&J Fuel Run 5K/10K/13.1 CHICAGO/EVANSTON Chicago, IL5K10KHalf Marathon1 MileRegistration closedFrom $55View race Sat, Oct 31, 2026Halloween Trick or Trot Run 5K/10K/13.1 Chicago, IL5K10KHalf Marathon1 MileRegistration closedFrom $55View race Sun, Nov 1, 2026Thankful Turkey 5K, 10K & Half Marathon Lake Zurich, IL5K10KHalf MarathonMarathonPricing TBADetails Sun, Nov 1, 2026Rattlesnake Master Run for the Prairie Urbana, IL5K10KFrom $35Details Sun, Nov 1, 2026Run The Path 10k Mc Nabb, IL10KFrom $30Details Sun, Nov 1, 2026Warrior Rush - Army of Hades - 5K, 10K, and Half Marathon 13.1 New Lenox, ILHalf Marathon10K5KFrom $60Details Sat, Nov 7, 202614th Annual Springfield Marathon & Harvest Wind Half Marathon & 10K New Berlin, ILMarathonHalf Marathon10KFrom $55Details Sun, Nov 8, 2026River Rat Races 5K Run/Walk, 10K Run, 10M Run Bourbonnais, IL10 Miles10K5KFrom $20Details Sat, Nov 14, 2026Run for Mental Health 5K/10K/13.1 CHICAGO/EVANSTON Chicago, IL5K10KHalf Marathon1 MileRegistration closedFrom $55View race

How we calculate these stats: RunSesh calculates these figures from the most recent published results of past editions, sourced from RunSignup. We show aggregates only: field size, winning and median times, and the cutoff. We never publish individual finisher tables. Last updated Oct 25, 2026.

Common Questions About Running a 10K in Illinois

Which Illinois cities have the most 10K races?

Chicago (35), Wheaton (4), Elk Grove Village (3), Shorewood (2) lead the state for 10K races. Those give you the most dates to choose from if your schedule is tight.

When are most 10K races held in Illinois?

November is the busiest month for 10K races in Illinois, with 15 of the 76, followed by May with 12. If you are flexible on the date, that is the quickest way to narrow things down.

Are Illinois 10K races beginner-friendly?

Yes, for the most part. Across the 26 10K races in Illinois with published results, the typical median finish is around 1:02:15, which means half of every one of those fields came in slower than that. Recreational runners and walk-runners are the bulk of these fields, not the exception.

Are there trail 10K races in Illinois?

Yes, 2 races around Illinois get you off the pavement: 1 is a trail race, and 1 mixes road and trail.