Every Half Marathon in Illinois in December 2026, all 6 of them, sorted by date. Dates, entry fees, finish-time stats from past results, and start-line maps.
Half Marathon races do not spread evenly across December. The busiest weekend is December 12 and December 13, with 3 of them. Another 1 fall on a weekday.
Common Questions About Running a December Half Marathon in Illinois
When in December are most Half Marathon races held?
The busiest weekend in Illinois is December 12 and December 13, with 3 Half Marathon races on those two days, and the single busiest day is Saturday, December 12 with 3. Another 1 fall on a weekday, which is worth knowing if you are traveling for one.
How much does a December Half Marathon cost to enter?
The typical entry is $30, with paid entries running from $20 up to $35. Entry fees climb as race day gets closer, so the same race is usually cheapest the week it opens.
Half Marathon Races in Other Months
November and January sit either side of December, which is where most people look next when a date does not fit.
