Half marathons in Illinois
59 upcoming half marathons in Illinois, with dates and field depth before you enter.
October 2026
- Sat, Oct 31Halloween Trick or Trot Run 5K/10K/13.1 CHICAGO/EVANSTONChicago5K10KHalf marathon
- Sat, Oct 31PB&J Fuel Run 5K/10K/13.1 CHICAGO/EVANSTONChicago5K10KHalf marathon
- Sat, Oct 31Galena River Fall Half Marathon & 8kGalenaHalf marathon Very competitive
- Sat, Oct 31Riverview Ramble Half MarathonMount Carmel5K10KHalf marathon Very competitive
November 2026
- Sun, Nov 1Dam Site RunLeRoyHalf marathon
- Sun, Nov 1Warrior Rush - Army of Hades - 5K, 10K, and Half Marathon 13.1New Lenox5K10KHalf marathon
- Sat, Nov 714th Annual Springfield Marathon & Harvest Wind Half Marathon & 10KNew Berlin10KHalf marathonMarathon Competitive
- Sat, Nov 14Run for Mental Health 5K/10K/13.1 CHICAGO/EVANSTONChicago5K10KHalf marathon
- Sat, Nov 14Veterans Day Freedom Run 5K/10K/13.1 CHICAGO/EVANSTONChicago5K10KHalf marathon
- Sat, Nov 212026 Turkey TrotDecatur5K10KHalf marathon Competitive
- Sat, Nov 28Coffee Lovers Run 5K/10K/13.1 CHICAGO/EVANSTONChicago5K10KHalf marathon
- Sat, Nov 28Thanksgiving Gobble Trot Run 5K/10K/13.1 CHICAGO/EVANSTONChicago5K10KHalf marathon
- Sat, Nov 28Schaumburg Turkey Trot Half Marathon & 5KElk Grove Village5KHalf marathon Competitive
- Sat, Nov 28Turkey Trails - Greater ChicagoShorewood5K10KHalf marathon
December 2026
- Sat, Dec 12Run for Breast Cancer 5K/10K/13.1 CHICAGO/EVANSTONChicago5K10KHalf marathon
- Sat, Dec 12Sunrise Marathon 5K/10K/13.1 CHICAGO/EVANSTONChicago5K10KHalf marathon
- Sat, Dec 12Iceman Series 2026-27Springfield10KHalf marathon
- Sat, Dec 26A Merry Christmas Run 5K/10K/13.1 CHICAGO/EVANSTONChicago5K10KHalf marathon
- Sat, Dec 26New Year's Run 5K/10K/13.1 CHICAGO/EVANSTONChicago5K10KHalf marathon
- Sun, Dec 27WARRIOR RUSH 5K - 10K - Half Marathon 13.1 (Chicagoland)Elk Grove Village5K10KHalf marathon
January 2027
- Sat, Jan 2Time Travel Half MarathonChicagoHalf marathon Competitive
- Sat, Jan 2Time Travel Half-Marathon/5K/10K - Greater ChicagoGreater Chicago5K10KHalf marathon Competitive
- Sat, Jan 16MLK Jr. Freedom Run 5K/10K/13.1 CHICAGO/EVANSTONChicago5K10KHalf marathon
- Sat, Jan 16Sunrise Marathon 5K/10K/13.1 CHICAGO/EVANSTONChicago5K10KHalf marathon
- Sat, Jan 30Coffee Lovers Run CHICAGO/EVANSTONChicago5K10KHalf marathon
- Sat, Jan 30Run for Donut CHICAGO/EVANSTONChicago5K10KHalf marathon
- Sat, Jan 3018th Annual F^3 Lake Half Marathon & 5kChicago5KHalf marathon Very competitive
February 2027
- Sat, Feb 6Iceman Series 2026-27SpringfieldHalf marathon
- Sat, Feb 13Fly With the Eagles Half MarathonMurphysboroHalf marathon
- Sat, Feb 13Run for Chocolate 5K/10K/13.1 CHICAGO/EVANSTONChicago5K10KHalf marathon
- Sat, Feb 13Valentine's Day Run 5K/10K/13.1 CHICAGO/EVANSTONChicago5K10KHalf marathon
- Sat, Feb 27Run For Mental Health CHICAGO/EVANSTONChicago5K10KHalf marathon
- Sat, Feb 27Run Together Against Breast Cancer CHICAGO/EVANSTONChicago5K10KHalf marathon
- Sat, Feb 27Time to Paddy 5K/10K & Lucky 13.1 - Greater ChicagoRolling Meadows5K10KHalf marathon Very competitive
March 2027
- Sun, Mar 14March Madness Half MarathonCaryHalf marathon Very competitive
- Sat, Mar 20St. Paddy's Day Lucky Run 5K/10K/13.1 CHICAGO/EVANSTONChicago5K10KHalf marathon
- Sat, Mar 20Sunrise Marathon 5K/10K/13.1 CHICAGO/EVANSTONChicago5K10KHalf marathon
- Sat, Mar 27Always Hope Easter Run CHICAGO/EVANSTONChicago5K10KHalf marathon
- Sat, Mar 27SuperHeroes Run CHICAGO/EVANSTONChicago5K10KHalf marathon
April 2027
- Sat, Apr 3Chi Town Half Marathon & 10KChicago10KHalf marathon Competitive
- Sat, Apr 3DoNot Stop Half Marathon/5K/10K - Greater ChicagoWheaton5K10KHalf marathon Competitive
- Sat, Apr 10Lincoln Presidential Half MarathonSpringfieldHalf marathon
- Sat, Apr 10Run for PB&J 5k/10k/13.1 CHICAGO/EVANSTONChicago5K10KHalf marathon
- Sat, Apr 10Sloth Run 5K/10K/13.1 CHICAGO/EVANSTONChicago5K10KHalf marathon
- Sun, Apr 182027 Naperville Women's Half Marathon and 5KNaperville5KHalf marathon
- Sun, Apr 182027 Riverboat Series - Day 7 (IL)Vienna5K10KHalf marathonMarathonUltra
- Sat, Apr 24Coffee Lovers Run CHICAGO/EVANSTONChicago5K10KHalf marathon
- Sat, Apr 24Run for Donut CHICAGO/EVANSTONChicago5K10KHalf marathon
May 2027
- Sun, May 2Chicagoland Spring Marathon, Half Marathon & 10KSchaumburg10KHalf marathonMarathon Competitive
- Sat, May 8Hometown Half Marathon/5K/10K - Greater ChicagoElk Grove Village,5K10KHalf marathon Local
- Sat, May 8Starved Rock Country MarathonOttawa5K10KHalf marathonMarathon
- Sat, May 8Run for Chocolate 5k/10k/13.1 CHICAGO/EVANSTONChicago5K10KHalf marathon
- Sat, May 29SuperHeroes Run CHICAGO/EVANSTONChicago5K10KHalf marathon
- Sat, May 29SuperHeroes Run SAN ANTONIOSan Antonio5K10KHalf marathon