Half Marathon races in Illinois

Looking for half marathons near you in Illinois? There are 53 upcoming half marathons listed here. The next one is Heatwave Half Marathon - Greater Chicago on Sun, Aug 2, 2026 at Busse Woods Picnic Grove #32 — see the full list below for dates, venues, and registration links, and browse half marathons in other cities.

All 5K (257) 10K (67) Half Marathon (53) Marathon (13) Trail Run (22)

★ Featured Sat, Sep 5, 2026 Naperville Trails Half Marathon & 10K 3S580 Naperville Rd · Wheaton, IL · From $50 5K10KHalf MarathonTrail Run Trail Register →
Sun, Aug 2, 2026 Heatwave Half Marathon - Greater Chicago Busse Woods Picnic Grove #32 · Elk Grove Village, IL · From $17 5K10KHalf Marathon Road
Sun, Aug 9, 2026 Tour De Cure: Chicagoland 8 North Ave · St. Charles, IL · From $260 Half Marathon Road
Sat, Aug 15, 2026 Bagel Run 5K/10K/13.1 CHICAGO/EVANSTON Lakefront Trail (Course Map will be emailed) · Chicago, IL · From $30 5K10KHalf Marathon Road
Sat, Aug 15, 2026 Run for PB& J 5K/10K/13.1 CHICAGO/EVANSTON Lakefront Trail (Course Map will be emailed) · Chicago, IL · From $30 5K10KHalf Marathon Road
Sat, Aug 29, 2026 The Next Loop 40M/50M Challenge | Half Day Forest Preserve 24255 N Highway 21 · Vernon Hills, IL · From $200 Half MarathonTrail Run Trail
Sat, Aug 29, 2026 The Next Loop Endurance Series | Half Day Forest Preserve 24225 N HWY 21 · Vernon Hills, IL · From $90 5K10KHalf MarathonMarathonTrail Run Trail
Sat, Aug 29, 2026 Run for Breast Cancer 5K/10K/13.1 CHICAGO/EVANSTON Lakefront Trail (Course Map will be emailed) · Chicago, IL · From $30 5K10KHalf Marathon Road
Sat, Aug 29, 2026 Sloth Run 5K/10K/13.1 CHICAGO/EVANSTON Lakefront Trail (Course Map will be emailed) · Chicago, IL · From $30 5K10KHalf Marathon Road
Sat, Aug 29, 2026 Skokie's Backlot Dash 5K and 1/2 Mile Youth Color Run 5215 Oakton St · Skokie, IL · From $20 5KHalf Marathon Road
Sun, Sep 6, 2026 Time and a Half Relay & 5K 87th at S. Lake Shore Dr. · Chicago, IL · From $45 5KHalf Marathon Road
Sat, Sep 12, 2026 National Chocolate Day: Run for Chocolates 5K/10K/13.1 CHICAGO/EVANSTON Lakefront Trail (Course Map will be emailed) · Chicago, IL · From $30 5K10KHalf Marathon Road
Sat, Sep 12, 2026 Run for Mental Health 5K/10K/13.1 CHICAGO/EVANSTON Lakefront Trail (Course Map will be emailed) · Chicago, IL · From $30 5K10KHalf Marathon Road
Sun, Sep 13, 2026 Hub City Races: Half, 10K & 5K Lake County Fairgrounds · Crown Point, IN · From $30 5K10KHalf MarathonMarathon Road
Sat, Sep 26, 2026 Oktoberfest Run 5K/10K/13.1 CHICAGO/EVANSTON Lakefront Trail (Course Map will be emailed) · Chicago, IL · From $30 5K10KHalf Marathon Road
Sat, Sep 26, 2026 Run for Donuts 5K/10K/13.1 CHICAGO/EVANSTON Lakefront Trail (Course Map will be emailed) · Chicago, IL · From $30 5K10KHalf Marathon Road
Sun, Sep 27, 2026 Life Time Chicago Half Marathon and 5K Jackson Park · Chicago, IL 5KHalf Marathon Road
Sun, Sep 27, 2026 Golden Harvest Half Marathon & 5k/10k - Greater Chicago Forest Glen Woods · Greater Chicago, IL · From $17 5K10KHalf Marathon Road
Sat, Oct 3, 2026 Long Grove's Oktoberfest Half Marathon, 10K & 5K 343 Old McHenry Rd. · Long Grove, IL · From $40 5K10KHalf Marathon Road
Sat, Oct 10, 2026 Bagel Run 5K/10K/13.1 CHICAGO/EVANSTON Lakefront Trail (Course Map will be emailed) · Chicago, IL · From $30 5K10KHalf Marathon Road
Sat, Oct 10, 2026 Coffee Lovers Run 5K/10K/13.1 CHICAGO/EVANSTON Lakefront Trail (Course Map will be emailed) · Chicago, IL · From $30 5K10KHalf Marathon Road
Sun, Oct 11, 2026 Bank of America Chicago Marathon Chicago 5KHalf MarathonMarathon Road
Sat, Oct 17, 2026 Chicago Fall Classic Half Marathon, 10K & 5K 601 W Montrose Ave · Chicago, IL · From $13 5K10KHalf Marathon Road
Sun, Oct 25, 2026 Duneland Half Marathon and 5K 1415 S. 23rd St. · Chesterton, IN · From $30 5KHalf Marathon Road
Sun, Oct 25, 2026 Haunted Halloween Half Marathon & 5km 2611 N Cannon Drive · Chicago, IL · From $35 5KHalf Marathon Road
Sun, Oct 25, 2026 Spooky Sprint - Greater Chicago Hammel Woods Route 59 Access · Shorewood, IL · From $17 5K10KHalf Marathon Road
Sat, Oct 31, 2026 Halloween Trick or Trot Run 5K/10K/13.1 CHICAGO/EVANSTON Lakefront Trail (Course Map will be emailed) · Chicago, IL · From $30 5K10KHalf Marathon Road
Sat, Oct 31, 2026 PB&J Fuel Run 5K/10K/13.1 CHICAGO/EVANSTON Lakefront Trail (Course Map will be emailed) · Chicago, IL · From $30 5K10KHalf Marathon Road
Sat, Nov 14, 2026 Run for Mental Health 5K/10K/13.1 CHICAGO/EVANSTON Lakefront Trail (Course Map will be emailed) · Chicago, IL · From $30 5K10KHalf Marathon Road
Sat, Nov 14, 2026 Veterans Day Freedom Run 5K/10K/13.1 CHICAGO/EVANSTON Lakefront Trail (Course Map will be emailed) · Chicago, IL · From $30 5K10KHalf Marathon Road
Sat, Nov 14, 2026 The Forge Trail Run Festival 227 Heritage Quarries Dr. · Lemont, IL · From $45 5K10KHalf MarathonTrail Run Trail
Sat, Nov 28, 2026 Coffee Lovers Run 5K/10K/13.1 CHICAGO/EVANSTON Lakefront Trail (Course Map will be emailed) · Chicago, IL · From $30 5K10KHalf Marathon Road
Sat, Nov 28, 2026 Thanksgiving Gobble Trot Run 5K/10K/13.1 CHICAGO/EVANSTON Lakefront Trail (Course Map will be emailed) · Chicago, IL · From $30 5K10KHalf Marathon Road
Sat, Nov 28, 2026 Schaumburg Turkey Trot Half Marathon & 5K Ned Brown Meadow Grove 28-30 · Elk Grove Village, IL · From $13 5KHalf Marathon Road
Sat, Nov 28, 2026 Turkey Trails - Greater Chicago Route 59 Access · Shorewood, IL · From $17 5K10KHalf MarathonTrail Run Trail
Sat, Dec 12, 2026 Run for Breast Cancer 5K/10K/13.1 CHICAGO/EVANSTON Lakefront Trail (Course Map will be emailed) · Chicago, IL · From $30 5K10KHalf Marathon Road
Sat, Dec 12, 2026 Sunrise Marathon 5K/10K/13.1 CHICAGO/EVANSTON Lakefront Trail (Course Map will be emailed) · Chicago, IL · From $30 5K10KHalf MarathonMarathon Road
Sat, Dec 26, 2026 A Merry Christmas Run 5K/10K/13.1 CHICAGO/EVANSTON Lakefront Trail (Course Map will be emailed) · Chicago, IL · From $30 5K10KHalf Marathon Road
Sat, Dec 26, 2026 New Year's Run 5K/10K/13.1 CHICAGO/EVANSTON Lakefront Trail (Course Map will be emailed) · Chicago, IL · From $30 5K10KHalf Marathon Road
Sat, Jan 16, 2027 MLK Jr. Freedom Run 5K/10K/13.1 CHICAGO/EVANSTON Lakefront Trail (Course Map will be emailed) · Chicago, IL · From $30 5K10KHalf Marathon Road
Sat, Jan 16, 2027 Sunrise Marathon 5K/10K/13.1 CHICAGO/EVANSTON Lakefront Trail (Course Map will be emailed) · Chicago, IL · From $30 5K10KHalf MarathonMarathon Road
Sat, Jan 30, 2027 Coffee Lover Run CHICAGO/EVANSTON Lakefront Trail (Course Map will be emailed) · Chicago, IL · From $30 5K10KHalf Marathon Road
Sat, Jan 30, 2027 Run for Donut CHICAGO/EVANSTON Lakefront Trail (Course Map will be emailed) · Chicago, IL · From $30 5K10KHalf Marathon Road
Sat, Jan 30, 2027 18th Annual F^3 Lake Half Marathon & 5k 1410 Special Olympics Drive · Chicago, IL · From $38 5KHalf Marathon Road
Sat, Feb 13, 2027 Run for Chocolate 5K/10K/13.1 CHICAGO/EVANSTON Lakefront Trail (Course Map will be emailed) · Chicago, IL · From $30 5K10KHalf Marathon Road
Sat, Feb 13, 2027 Valentine's Day Run 5K/10K/13.1 CHICAGO/EVANSTON Lakefront Trail (Course Map will be emailed) · Chicago, IL · From $30 5K10KHalf Marathon Road
Sat, Mar 13, 2027 Muddy Shamrock @ The Forge 227 Heritage Quarries Dr. · Lemont, IL · From $40 5KHalf MarathonMarathonTrail Run Trail
Sat, Mar 20, 2027 Sunrise Marathon 5K/10K/13.1 CHICAGO/EVANSTON Lakefront Trail (Course Map will be emailed) · Chicago, IL · From $30 5K10KHalf MarathonMarathon Road
Sat, Apr 3, 2027 Chi Town Half Marathon & 10K 601 West Montrose Avenue · Chicago, IL · From $50 5K10KHalf Marathon Road
Sat, Apr 10, 2027 Run for Bagels 5K/10K/13.1 CHICAGO/EVANSTON Lakefront Trail (Course Map will be emailed) · Chicago, IL · From $30 5K10KHalf Marathon Road
Sat, Apr 24, 2027 Coffee Lover Run CHICAGO/EVANSTON Lakefront Trail (Course Map will be emailed) · Chicago, IL · From $30 5K10KHalf Marathon Road
Sun, May 2, 2027 Chicagoland Spring Marathon, Half Marathon & 10K 425 N Martingale Rd · Schaumburg, IL · From $40 5K10KHalf MarathonMarathon Road
Thu, Sep 30, 2027 Illinois Race Weekend TBD · Champaign, IL 5K10KHalf MarathonMarathon Road

Quick answers

When is the next half marathon in Illinois?

The next Half Marathon in Illinois is Heatwave Half Marathon - Greater Chicago on Sun, Aug 2, 2026 at Busse Woods Picnic Grove #32.

How many half marathons are coming up near me in Illinois?

There are currently 53 upcoming half marathons listed in Illinois, each with a date, venue, and direct registration link.

What's the cheapest Half Marathon in Illinois?

The lowest listed entry right now is Chicago Fall Classic Half Marathon, 10K & 5K at from $13. Registration prices usually rise as race day nears, so early entry is cheapest.