Illinois · 5K
5K Races in Illinois
Illinois currently has 190 upcoming 5Ks with a confirmed date listed in RaceRove. Chicago, Belleville, Lemont and Wheaton have the largest concentration of events.
November (58), December (23) and October (22) are the busiest months on the calendar right now. Another 301 annual 5Ks are waiting for next year's date to be announced.
- Upcoming, date confirmed
- 190
- Active listings
- 491
- Cities with races
- 263
More ways to browse Illinois
Upcoming 5Ks in Illinois
All 190 with a confirmed date, soonest first.
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Run the BluffPeoria, IL1 Mile Fun Run/Walk (Untimed)1 Mile Fun Run/Walk (Untimed) - Student (21 & Under)5K Run/Walk5K Run/Walk - Student
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Naperville Noon Lions Turkey Trot 5KNaperville, IL5K - Ages 10-145K - Ages 15 and up5K - Ages 9 and under ~8,000 runners
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Insane Candy Cane 5K Run/WalkBatavia, IL5K Run/Walk Budget Package5K Run/Walk Complete PackageVirtual 5K Run/Walk
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Kick'n The Kilt 5K & 8KSt. Charles, IL5K Run/Walk Budget Package5K Run/Walk Complete Package8K Run Budget Package8K Run Complete Package +1 more
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Nun Run for CancerPeoria, IL1 Mile Run/Walk (12 & Under) (Untimed)1 Mile Run/Walk (Untimed)5K Run/Walk5K Run/Walk (12 & Under) +1 more
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The Longest Day RunGeneva, IL10K Run Budget Package10K Run Complete Package5K Run/Walk Budget Package5K Run/Walk Complete Package +2 more
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Heatwave Half Marathon - Greater ChicagoElk Grove Village, ILHalf Marathon50m1 Mile5K +1 more ~10 runners
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Golden Harvest Half Marathon & 5k/10k - Greater ChicagoGreater Chicago, ILHalf Marathon50m1 Mile5K +1 more ~10 runners
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Montgomery River RunMontgomery, IL10K Run - TEAM10K Run Participant5K Run/Walk - TEAM5K Run/Walk Participant +2 more
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Run with the NunsLemont, ILAdult 5K Run/Walk (13 & over)Virtual RunnerYouth 5K Run/Walk (12 & Under)
Dates come from each race's own listing. Always confirm on the organiser's site before you book travel.
Largest 5K events in Illinois
By estimated field size across all distances at the event.
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Richardson Farm Fall 5K & 10K with Family 1 Mile Adventure RunSpring Grove, IL Usually held in October · next date not announced5K ~26,000 runners
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Jaimie Cox Memorial RunRoscoe, IL Usually held in October · next date not announced5K ~16,645 runners
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Polish Independence RunChicago, IL Usually held in October · next date not announced10K5K ~11,847 runners
When 5Ks happen in Illinois
- January
- 8 upcoming races
- February
- 3 upcoming races
- March
- 11 upcoming races
- April
- 9 upcoming races
- May
- 13 upcoming races
- June
- 18 upcoming races
- July
- 3 upcoming races
- August
- 10 upcoming races
- September
- 12 upcoming races
- October
- 22 upcoming races
- November
- 58 upcoming races
- December
- 23 upcoming races
Illinois cities with the most 5Ks
- Chicago
- 41 upcoming races
- Belleville
- 5 upcoming races
- Lemont
- 5 upcoming races
- Wheaton
- 4 upcoming races
- Batavia
- 4 upcoming races
- Peoria
- 4 upcoming races
- Shorewood
- 4 upcoming races
- Elk Grove Village
- 3 upcoming races
Running in Illinois cities
Annual events awaiting their next date
These 5Ks 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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Richardson Farm Fall 5K & 10K with Family 1 Mile Adventure RunSpring Grove, IL Usually held in October · next date not announced5K ~26,000 runners
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Jaimie Cox Memorial RunRoscoe, IL Usually held in October · next date not announced5K ~16,645 runners
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Polish Independence RunChicago, IL Usually held in October · next date not announced10K5K ~11,847 runners
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Long Grove's Oktoberfest Half Marathon, 10K & 5KLong Grove, IL Usually held in October · next date not announcedHalf Marathon5K10K ~9,000 runners
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Naperville Half MarathonNaperville, IL Usually held in October · next date not announcedHalf Marathon10K5K ~6,000 runners
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Hot Cider Hustle - Wheaton 8 Mile Run & 5K Run/WalkWheaton, IL Usually held in October · next date not announced8 Miles5K ~3,471 runners
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Bloomingdale Trail 5KChicago, IL Usually held in September · next date not announced5K0.5 Miles0.25 Miles ~2,250 runners
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Dim Sum & Then Some 5K/10K & Kids DashChicago, IL Usually held in August · next date not announced5K10KKids Dash ~2,000 runners
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Rosehill Cemetery 'Crypt' 5K Run/WalkChicago, IL Usually held in October · next date not announced5K ~1,100 runners
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Halloween Hustle 5K & Kids DashPalatine, IL Usually held in October · next date not announced5K ~1,080 runners
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Haunted Wine Run 5k at Busse WoodsElk Grove Village, IL Usually held in October · next date not announced5K ~900 runners
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Riverside Foundation Halloween Hustle 5K Walk or RunLincolnshire, IL Usually held in October · next date not announced5K ~900 runners
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Northwest CASA Pumpkin Dash 5k / 10kElk Grove Village, IL Usually held in September · next date not announced5K10K ~750 runners
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Day of the Dead Family 5K Run/WalkWheeling, IL Usually held in October · next date not announced5K ~600 runners
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TBK Bank Quad Cities MarathonMoline, IL Usually held in September · next date not announcedGroup O 5KGroup O 5k + Shoes for Kids MileHappy Joe's Kids Micro-MarathonMel Foster Co. Half Marathon +1 more ~563 runners
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Haunted Highlander Assault Trail RunPingree Grove, IL Usually held in October · next date not announced5K ~500 runners
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Centerstone's 4th Annual Life;Story 5K Run/Walk for Suicide Prevention - IllinoisMarion, IL Usually held in September · next date not announced5K ~440 runners
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Galena 5k Stair ChallengeGalena, IL Usually held in September · next date not announced5K ~200 runners
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Sweet Ride | Bike • Run • WalkWillow Springs, IL Usually held in October · next date not announced5K ~200 runners
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Belleville Main Street Marathon & Half MarathonBelleville, IL Usually held in September · next date not announcedMarathonHalf Marathon10K5K ~175 runners
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MADDER THAN A WET HEN 5kCharleston, IL Usually held in July · next date not announced5K ~125 runners
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Shake Your Trail Feather Trail RunCharleston, IL Usually held in October · next date not announced100K50K16 Miler8 Miler +1 more ~125 runners
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Shawnee Hills Trail RacesOzark, IL Usually held in August · next date not announced100 Miler100K50K5K ~91 runners
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Route 66 Mother Road 5K Foot RaceSpringfield, IL Usually held in September · next date not announced5K1 Mile ~75 runners
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Dr. J. Noonan Legacy 5K- brought to you by the Noonan Syndrome FoundationAnywhere, IL Usually held in October · next date not announced5K ~18 runners
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5K Fun Run/Walk and Community Health FairMelrose Park, IL Usually held in October · next date not announced5K
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5K Run, Walk & Roll-Celebration of DonationGlen Ellyn, IL Usually held in September · next date not announced5K1 Mile
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9/11 Heroes Run - Chicago, IllinoisSouth Barrington, IL Usually held in September · next date not announced5K1 Mile
5Ks 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.
- 4 min read Diplo's Run Club 2026-27: Every City, Date and Course Diplo's Run Club is a 5K with a post-race concert. Every US date for 2026-27 (San Francisco, New York, Los Angeles, San Diego and Phoenix), start times and courses.
- 9 min read What's a Good 5K Time? Average Running Speed by Age and Sex Good 5K times by age and sex, from beginner to elite, and the average running speed in mph and km/h from the mile to the marathon, from the standards our free tool uses.
- Blog All guides Planning advice for finding, choosing and travelling to races.
5K Races in Illinois: common questions
- How many 5Ks are there in Illinois?
- RaceRove currently lists 190 upcoming 5Ks in Illinois with a confirmed date, plus 301 annual events whose next date hasn't been announced yet.
- How long is a 5K?
- A 5K is 3.1 miles (5 kilometres).
- Which Illinois cities have the most 5Ks?
- By upcoming events listed in RaceRove: Chicago (41), Belleville (5), Lemont (5), Wheaton (4) and Batavia (4).
- When is 5K season in Illinois?
- Of the upcoming 5Ks listed, the busiest months are November (58), December (23) and October (22).
- What is the biggest 5K in Illinois?
- By estimated field size, the largest event with a 5K listed in Illinois is the Bank of America Chicago Marathon, with about 55,000 runners across all of its distances.
Search every 5K 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.