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Marathons found in Illinois in Spring
View all ↓Marathons in Illinois in Spring 2026
Find A Race is the US's favourite event listings site. Check out our list of Spring 2026 Marathons in Illinois below.
Race Calendar: Marathons found in Spring
🚀Boosted
Starved Rock Country Marathon
Ottawa, Illinois
Sat 09 May 26
$43.40 - $107.00
🚀Boosted
F^3 Cap Sauers Trail Marathon & 10 Mile
Palos Hills, Illinois
Sat 09 May 26
$64.85 - $70.15
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Rend Lake Marathon
Barren township, Illinois
Sat 28 Mar 26
$55.16 - $124.68
Chicagoland Spring Marathon, Half Marathon & 10K
Schaumburg, Illinois
Sun 03 May 26
$45.99 - $179.99
F^3 Cap Sauers Trail Marathon & 10 Mile
Palos Hills, Illinois
Sat 09 May 26
$64.85 - $70.15
Starved Rock Country Marathon
Ottawa, Illinois
Sat 09 May 26
$43.40 - $107.00
Showing 1-4 of 4 results