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Marathons found in Illinois in May
View all ↓Marathons in Illinois in May 2026
Find A Race is the US's favourite event listings site. Check out our list of May 2026 Marathons in Illinois below.
Race Calendar: Marathons found in May
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F^3 Cap Sauers Trail Marathon & 10 Mile
Palos Hills, Illinois
09 May 26
$64.85 - $70.15
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Chicagoland Spring Marathon, Half Marathon & 10K
Schaumburg, Illinois
03 May 26
$45.99 - $179.99
F^3 Cap Sauers Trail Marathon & 10 Mile
Palos Hills, Illinois
09 May 26
$64.85 - $70.15
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