Illinois · Half Marathon
Half Marathons in Illinois
Illinois currently has 32 upcoming half marathons with a confirmed date listed in RaceRove. Chicago, Elk Grove Village, Belleville and East Peoria have the largest concentration of events.
October (10), November (7) and September (6) are the busiest months on the calendar right now. Another 23 annual half marathons are waiting for next year's date to be announced.
- Upcoming, date confirmed
- 32
- Active listings
- 55
- Cities with races
- 24
More ways to browse Illinois
Upcoming half marathons in Illinois
All 32 with a confirmed date, soonest first.
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Moraine Hills Run for the HillsMcHenry, IL10K Run10K Run / Walk VIRTUAL10K Walk5K Run / Walk +3 more
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Golden Harvest Half Marathon & 5k/10k - Greater ChicagoGreater Chicago, ILHalf Marathon50m1 Miles5K +1 more
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TBK Bank Quad Cities MarathonMoline, ILGroup O 5KGroup O 5k + Shoes for Kids MileHappy Joe's Kids Micro-MarathonMel Foster Co. Half Marathon +1 more
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Screaming PumpkinPeoria, IL2 Mile Run/Walk6.55 Mile (10kish) - RaceFull MarathonHalf Marathon +2 more
Dates come from each race's own listing. Always confirm on the organiser's site before you book travel.
Largest half marathon events in Illinois
By estimated field size across all distances at the event.
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Rock ‘n’ Roll Chicago HalfChicago, IL Usually held in July · date not confirmedHalf Marathon10K ~12,000 runners
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Illinois MarathonChampaign, IL Usually held in April · date not confirmedMarathonHalf ~11,000 runners
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Bank of America Chicago 13.1 Half MarathonChicago, IL Usually held in June · date not confirmedHalf Marathon ~10,000 runners
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Life Time Chicago Half Marathon & 5KChicago, IL Usually held in September · date not confirmedHalf Marathon5K ~10,000 runners
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Chicagoland Spring Marathon, Half Marathon & 10KSchaumburg, IL Usually held in May · date not confirmedMarathonHalf Marathon10K ~6,000 runners
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Life Time Chicago Spring Half Marathon & 10KChicago, IL Usually held in May · date not confirmedHalf Marathon10KJunior Dash ~6,000 runners
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Naperville Half MarathonNaperville, IL Usually held in October · date not confirmedHalf Marathon ~6,000 runners
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F^3 Lake Half Marathon & 5KChicago, IL Usually held in January · date not confirmedHalf Marathon5K ~4,500 runners
When half marathons happen in Illinois
- January
- 1 upcoming race
- February
- 3 upcoming races
- April
- 2 upcoming races
- September
- 6 upcoming races
- October
- 10 upcoming races
- November
- 7 upcoming races
- December
- 3 upcoming races
Illinois cities with the most half marathons
- Chicago
- 16 upcoming races
- Elk Grove Village
- 1 upcoming race
- Belleville
- 1 upcoming race
- East Peoria
- 1 upcoming race
- Galena
- 1 upcoming race
- Geneva
- 1 upcoming race
- Greater Chicago
- 1 upcoming race
- Lake County
- 1 upcoming race
Annual events awaiting their next date
These half marathons are held every year, but the next date isn't in the listing yet. The month shown is when each is usually held.
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Rock ‘n’ Roll Chicago HalfChicago, IL Usually held in July · date not confirmedHalf Marathon10K ~12,000 runners
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Illinois MarathonChampaign, IL Usually held in April · date not confirmedMarathonHalf ~11,000 runners
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Bank of America Chicago 13.1 Half MarathonChicago, IL Usually held in June · date not confirmedHalf Marathon ~10,000 runners
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Life Time Chicago Half Marathon & 5KChicago, IL Usually held in September · date not confirmedHalf Marathon5K ~10,000 runners
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Chicagoland Spring Marathon, Half Marathon & 10KSchaumburg, IL Usually held in May · date not confirmedMarathonHalf Marathon10K ~6,000 runners
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Life Time Chicago Spring Half Marathon & 10KChicago, IL Usually held in May · date not confirmedHalf Marathon10KJunior Dash ~6,000 runners
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Naperville Half MarathonNaperville, IL Usually held in October · date not confirmedHalf Marathon ~6,000 runners
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F^3 Lake Half Marathon & 5KChicago, IL Usually held in January · date not confirmedHalf Marathon5K ~4,500 runners
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Chicago Polar DashChicago, IL Usually held in January · date not confirmedHalf Marathon10K5K ~4,000 runners
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Time to Paddy 5K/10K and Lucky 13.1Chicago, IL Usually held in February · date not confirmedHalf Marathon10K5K ~1,500 runners
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Bagel Run 5K/10K/13.1 CHICAGO/EVANSTONChicago, IL Usually held in August · next date not announcedHalf Marathon5K10K1 Miles
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Crystal Lake Half Marathon & 12KCrystal Lake, IL Usually held in September · next date not announced12K (7.44 miles)Half Marathon
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Heatwave Half Marathon - Greater ChicagoElk Grove Village, IL Usually held in August · next date not announcedHalf Marathon50m1 Miles5K +1 more
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Naperville Trails Half Marathon & 10KWheaton, IL Usually held in September · next date not announcedHalf Marathon5K10K
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National Chocolate Day: Run for Chocolates 5K/10K/13.1 CHICAGO/EVANSTONChicago, IL Usually held in September · next date not announcedHalf Marathon5K10K1 Miles
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RAMP River Run – 3K, 5K, & 1/2 Marathon RunRockford, IL Usually held in August · next date not announcedHalf Marathon5K3K
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Run for Breast Cancer 5K/10K/13.1 CHICAGO/EVANSTONChicago, IL Usually held in August · next date not announcedHalf Marathon5K10K1 Miles
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Run for Coffee Lovers 5K/10K/13.1 CHICAGO/EVANSTONChicago, IL Usually held in July · next date not announcedHalf Marathon5K10K1 Miles
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Run for Donuts 5K/10K/13.1 CHICAGO/EVANSTONChicago, IL Usually held in July · next date not announcedHalf Marathon5K10K1 Miles
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Run for Mental Health 5K/10K/13.1 CHICAGO/EVANSTONChicago, IL Usually held in September · next date not announcedHalf Marathon5K10K1 Miles
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Run for PB& J 5K/10K/13.1 CHICAGO/EVANSTONChicago, IL Usually held in August · next date not announcedHalf Marathon5K10K1 Miles
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Sloth Run 5K/10K/13.1 CHICAGO/EVANSTONChicago, IL Usually held in August · next date not announcedHalf Marathon5K10K1 Miles
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The Hidden Gem Half MarathonFlossmoor, IL Usually held in September · next date not announcedHalf Marathon
Half Marathons in nearby states
Guides from the RaceRove blog
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- 9 min read How to Run a Race in All 50 States How to plan a 50-state running challenge: set your own rules, group states into trips, build a calendar around the seasons, budget for it and keep track of every finish.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Half Marathons in Illinois: common questions
- How many half marathons are there in Illinois?
- RaceRove currently lists 32 upcoming half marathons in Illinois with a confirmed date, plus 23 annual events whose next date hasn't been announced yet.
- How long is a half marathon?
- A half marathon is 13.1 miles (21.1 kilometres).
- Which Illinois cities have the most half marathons?
- By upcoming events listed in RaceRove: Chicago (16), Elk Grove Village (1), Belleville (1), East Peoria (1) and Galena (1).
- When is half marathon season in Illinois?
- Of the upcoming half marathons listed, the busiest months are October (10), November (7) and September (6).
- What is the biggest half marathon in Illinois?
- By estimated field size, the largest event with a half marathon listed in Illinois is the Rock ‘n’ Roll Chicago Half, with about 12,000 runners across all of its distances.
Search every half marathon in Illinois
Filter by month, course profile and field size, save races to a shortlist and compare them side by side in the interactive search.