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Marathons found in Illinois in Spring

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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

F^3 Cap Sauers Trail Marathon & 10 Mile

Palos Hills, Illinois
Sat 09 May 26
$64.85 - $70.15
🚀Boosted

Rend Lake Marathon

Barren township, Illinois
Sat 28 Mar 26
$55.16 - $108.64
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Rend Lake Marathon

Barren township, Illinois
Sat 28 Mar 26
$55.16 - $108.64

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
Showing 1-3 of 3 results