Upcoming half marathons in Illinois

27 half marathons are coming up in Illinois, out of 329 races on the statewide calendar. Compare dates, distances and locations, then get ready with a personalized training plan.

27 upcoming races

September 2026

Sep 20, 2026Fox Valley Marathon📍 Wayne, IL26.2 mi · 20 mi · 13.1 mi · 3.1 mi
Sep 20, 2026Fox Valley Marathon📍 Aurora, IL26.2 mi · 19.9 mi · 13.1 mi · 3.1 mi
Sep 26, 2026YMCA Stone Bridge 1/2 Marathon📍 Roscoe, IL3.1 mi · 13.1 mi
Sep 26, 2026Moraine Hills Run for the Hills 10K and Half Marathon📍 Moraine Hills State Park, McHenry, IL13.1 mi · 6.2 mi · 3.1 mi
Sep 27, 2026Chicago Half Marathon📍 Chicago, IL13.1 mi · 3.1 mi
Sep 27, 2026TBK Bank Quad Cities Marathon📍 Moline, IL26.2 mi · 13.1 mi · 6.2 mi

October 2026

Oct 17, 2026Run Stephenson County📍 Orangeville, IL13.1 mi · 6.2 mi · 3.1 mi
Oct 18, 2026Healthy Driven Naperville Half Marathon & 5K📍 Naperville, IL13.1 mi · 6.2 mi · 3.1 mi
Oct 18, 2026Naperville Half Marathon Races 📍 Naperville, IL13.1 mi · 6.2 mi
Oct 25, 2026Haunted Halloween - Chicago📍 Chicago, IL13.1 mi · 3.1 mi
Oct 25, 2026Halloween Run CHICAGO📍 Chicago, IL13.1 mi · 3.1 mi

November 2026

Nov 1, 2026Geneva Ooh LaLa Chocolate Half Marathon, 10K and 5K📍 Geneva, IL13.1 mi · 6.2 mi · 3.1 mi
Nov 21, 2026Turkey Trot - Decatur📍 Decatur, IL13.1 mi · 6.2 mi · 3.1 mi · 0.5 mi
Nov 26, 2026Run Off the Turkey Trot📍 Chicago, IL13.1 mi · 6.2 mi · 3.1 mi

March 2027

Mar 14, 2027March Madness Half Marathon📍 Cary, IL13.1 mi

April 2027

Apr 18, 2027Naperville Women's Half Marathon & 5K📍 Naperville, IL13.1 mi · 3.1 mi
Apr 18, 2027Riverboat Series Day 7📍 Vienna, IL31.1 mi · 26.2 mi · 13.1 mi · 6.2 mi
Apr 22, 2027Christie Clinic Illinois Marathon📍 Champaign, IL26.2 mi · 13.1 mi · 6.2 mi · 3.1 mi
Apr 25, 2027Stan's Donut Run📍 Chicago, IL13.1 mi · 6.2 mi · 3.1 mi

May 2027

May 2, 2027Great Western Half Marathon📍 Sycamore, IL13.1 mi · 6.2 mi
May 23, 2027Life Time Chicago Spring Half Marathon📍 Chicago, IL13.1 mi · 6.2 mi
May 30, 2027Highland Park Half Marathon, 5K and 1-Mile Walk📍 Highland Park, IL13.1 mi · 3.1 mi
May 30, 2027North Shore Classic📍 Chicago, IL13.1 mi · 3.1 mi

June 2027

Jun 6, 2027Bank of America Chicago 13.1📍 Chicago, IL13.1 mi

July 2027

Jul 11, 2027Heartland Series Day 2📍 Niles, IL26.2 mi · 13.1 mi · 6.2 mi · 3.1 mi
Jul 13, 2027Heartland Series Day 4📍 Fulton, IL31.1 mi · 26.2 mi · 13.1 mi · 6.2 mi
Jul 24, 2027Semi Marathon de Kinzua📍 Kane, IL13.1 mi · 3.1 mi

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