When in January are most half marathons held?
The busiest weekend in Illinois is January 30 and January 31, with 3 of them. Every one of them is on a Saturday or a Sunday.
Race calendar · January 2027 · Illinois
Half Marathons in Illinois in January 2027
Every Half Marathon in Illinois in January 2027, all 7 of them, sorted by date. Dates, entry fees, finish-time stats from past results, and start-line maps.
When in January
The January Race Weekends
Half marathons are not spread evenly across January. Here is how the calendar actually falls, weekend by weekend, which is the part worth knowing before you book a trip or plan a taper around one.
By the numbers
The Biggest and Longest-Running
The January half marathons that stand out on the numbers: the biggest field, and the longest unbroken run of editions.
Illinois Half Marathons by City in January
All Half Marathons in Illinois in January
7 total Sat, Jan 2, 2027Time Travel Half-Marathon/5K/10K - Greater Chicago Greater Chicago, ILFrom $68Details Sun, Jan 3, 2027Second Wind Christie Clinic Illinois Race Weekend Champaign, ILFrom $40Details Sat, Jan 16, 2027MLK Jr. Freedom Run 5K/10K/13.1 CHICAGO/EVANSTON Chicago, ILFrom $45Register Sat, Jan 16, 2027Sunrise Marathon 5K/10K/13.1 CHICAGO/EVANSTON Chicago, ILFrom $45Register Sat, Jan 30, 202718th Annual F^3 Lake Half Marathon & 5k Chicago, ILFrom $99Details Sat, Jan 30, 2027Coffee Lovers Run CHICAGO/EVANSTON Chicago, ILFrom $45Register Sat, Jan 30, 2027Run for Donuts CHICAGO/EVANSTON Chicago, ILFrom $45Register