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Illinois marathons

Marathons in Illinois

10 upcoming marathons in Illinois listed by date, with cities, start times, and entry fees. Find a marathon near you and register.

10
upcoming races
1
cities with 3+
4:36:13
typical finish

Other distances

October 2026

November 2026

March 2027

April 2027

May 2027

June 2027

October 2027

Marathon results in Illinois

From 6 marathons with official results in the last two years, 584 finishers in all.

Typical marathon times by age and gender

4:36:13
typical finish
10:32 /mi
typical pace
92
finishers in a typical race
4:54:26
women, typical finish
4:27:40
men, typical finish
under 3:38:21
the fastest tenth

Entry for upcoming marathons in Illinois usually runs from $25 to $100, with a typical fee of $75 before processing fees.

Typical times are the middle finisher across these races, weighted by field size. School meets, stair climbs, and results with timing errors are left out.

Fastest marathons in Illinois

  1. 114th Annual Springfield Marathon & Harvest Wind Half Marathon & 10KNew Berlin · median 4:11:35 · 124 finishers in 2025
  2. 2Starved Rock Country MarathonOttawa · median 4:36:13 · 125 finishers in 2026
  3. 3Rend Lake MarathonBenton · median 4:40:36 · 90 finishers in 2026

Biggest marathons in Illinois

  1. 1Starved Rock Country MarathonOttawa · 125 finishers in 2026
  2. 214th Annual Springfield Marathon & Harvest Wind Half Marathon & 10KNew Berlin · 124 finishers in 2025
  3. 3Rend Lake MarathonBenton · 90 finishers in 2026
When marathons happen in Illinois