5K races in Illinois

Looking for 5K races near you in Illinois? There are 257 upcoming 5K races listed here. The next one is Fulton Market Loop Da Loop 5k on Sun, Jul 26, 2026 at 1000 W Fulton Street — see the full list below for dates, venues, and registration links, and browse 5K races in other cities.

All 5K (257) 10K (67) Half Marathon (53) Marathon (13) Trail Run (22)

Showing the next 100 of 257 races by date.

Quick answers

When is the next 5K in Illinois?

The next 5K in Illinois is Fulton Market Loop Da Loop 5k on Sun, Jul 26, 2026 at 1000 W Fulton Street.

How many 5K races are coming up near me in Illinois?

There are currently 257 upcoming 5K races listed in Illinois, each with a date, venue, and direct registration link.

What's the cheapest 5K in Illinois?

The lowest listed entry right now is Track Night Chicago at from $5. Registration prices usually rise as race day nears, so early entry is cheapest.