Oct 4, 2026 · 8:00 AM · Bolingbrook, IL
Cheesy Pretzel 5K and 1 Mile Walk
1M5KWalker-friendly · per organizerCertified course · per organizer
- Price
- $38.10
5Ks in Illinois — Page 4
Every upcoming 5K race we know about in Illinois. Where a detail isn't confirmed, we mark it unknown rather than guessing.
Race results
Showing 181–240 of 347 races. Use search and filters from page 1.
Oct 4, 2026 · 9:00 AM · Mount Prospect, IL
2026 Lemons of Love Pink Lemonade 5K Run/Walk
5K
- Price
- $43.40
Oct 4, 2026 · 9:00 AM · Melrose Park, IL
Melrose Park Family Fun Run 5k and Community Health Fair
5K
- Price
- Free-$32.80
Oct 10, 2026 · 9:00 AM · Loves Park, IL
Nik's 7K Home Run & 1.5 Mile Walk & Grammy's Auction at MercyHealth Sportscore Two (Indoor Sports Center)
5K
- Price
- Free-$38.99
Oct 10, 2026 · 8:00 AM · Flossmoor, IL
4th Annual DBC Keys 2 Stability Community 5K 2026
5K
- Price
- $33.49
Oct 10, 2026 · 9:00 AM · Elgin, IL
El Trote De Las Calacas
5KCertified course · per organizer
- Price
- $53.99
Oct 10, 2026 · 8:00 AM · Rock Falls, IL
Sauk Valley Apple Cider Run
5KHalf Marathon353 ft gain · rolling hills
- Price
- $38.10-$64.60
Oct 10, 2026 · 7:30 AM · Chicago, IL
Bagel Run 5K/10K/13.1 CHICAGO/EVANSTON
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Oct 10, 2026 · 7:30 AM · Chicago, IL
Coffee Lovers Run 5K/10K/13.1 CHICAGO/EVANSTON
1M5K10KHalf Marathon
- Price
- $32.80-$48.70
Oct 17, 2026 · 9:00 AM · Wheaton, IL
Cantigny 5K Run/Walk 2026 - Benefiting The Midwest Shelter for Homeless Veterans
1M5K
- Price
- $5-$25
Oct 17, 2026 · 7:00 PM · Chicago, IL
Rosehill Cemetery 'Crypt' 5K Run/Walk
5K
- Price
- $49.64-$54.98
- Field size
- 550 · based on the organizer's entry cap
Oct 17, 2026 · 7:15 AM · Chicago, IL
Chicago Fall Classic Half Marathon, 10K & 5K
5K10KHalf MarathonCertified course · per organizer
- Price
- $14.94-$114.99
Oct 17, 2026 · 10:00 AM · Roscoe, IL
JAIMIE COX MEMORIAL RUN
5K
- Price
- $22.20-$32.80
- Field size
- 1,000 · based on the organizer's entry cap
1M5K10Kflat and fast
- Price
- $23-$50.06
- Field size
- 2,295 · based on the organizer's entry cap
Oct 18, 2026 · 9:00 AM · Spring Grove, IL
Richardson Farm Fall 5K & 10K with Family 1 Mile Adventure Run
1M5K10K
- Price
- $42.54
Oct 23, 2026 · 6:30 PM · Pingree Grove, IL
Haunted Highlander Assault Trail Run
5K
- Price
- $75.20
- Field size
- 800 · based on the organizer's entry cap
Oct 24, 2026 · 9:00 AM · Palatine, IL
Halloween Hustle 5K & Kids Dash
5KWalker-friendly · per organizer
- Price
- $22.20-$43.39
- Field size
- 80 · based on the organizer's entry cap
Oct 24, 2026 · 8:00 AM · Lake Bluff, IL
Lake Bluff PTO Pumpkin Chase
1M5KCertified course · per organizer
- Price
- $22.20-$38.10
Oct 24, 2026 · 8:00 AM · Normal, IL
Illinois State University Homecoming Town and Gown 5K
1M5K
- Price
- Free-$22.20
Oct 24, 2026 · 8:00 AM · Lisle, IL
The Fall Color 5K
5K
- Price
- $65.65
- Field size
- 1,965 · based on the organizer's entry cap
Oct 25, 2026 · 9:00 AM · Chicago, IL
Polish Independence Run
5K10KCertified course · per organizer
- Price
- $49-$74
- Field size
- 2,000 · based on the organizer's entry cap
Oct 25, 2026 · 9:00 AM · Shorewood, IL
Spooky Sprint - Greater Chicago
1M5K10KHalf Marathon
- Price
- $20.83-$80.30
Oct 25, 2026 · 8:25 AM · Chicago, IL
Haunted Halloween Half Marathon & 5km
5KHalf Marathon
- Price
- $53.19-$91.35
- Field size
- 737 · based on the organizer's entry cap
Oct 25, 2026 · 10:00 AM · Lincolnshire, IL
Riverside Foundation Halloween Hustle 5K Walk or Run
5KCertified course · per organizer
- Price
- $50.70
- Field size
- 300 · based on the organizer's entry cap
Oct 25, 2026 · 8:30 AM · Wheaton, IL
Hot Cider Hustle - Wheaton 8 Mile Run & 5K Run/Walk
5K
- Price
- $14.94-$68.99