Illinois race calendar
October 2026 races in Illinois
Running races in Illinois in October 2026: 154 upcoming 5Ks, 10Ks, half marathons, marathons, and trail races with dates and entry fees.
154
upcoming races
2,026
year
October 2026
from Free
RegisterScott AFB - CMSAF Binnicker Memorial Run - Race at Your Base
Scott Air Force Base, Illinois8:00 AM start
5KOther
from $30
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from $10
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from $44.99
Registerfrom $15
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from $15
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from Free
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from $25
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from $30
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from $10
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from $30
Registerfrom $25
Register2026 Southern Illinois Dyslexia Center Collinsville Walk & 5K Fun Run
Collinsville, Illinois8:30 AM start
from $30
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from $45
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from $25
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from $30
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from $30
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from $30
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from $35
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from $25
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from $30
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from $40
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from $30
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from $40
RegisterHops for Hope 5K & BrewFest Presented by 93 Octane Brewery 2026
St. Charles, Illinois12:00 PM start
from $15
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from $50
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from $15
Registerfrom Free
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from $40
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from $7
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from $20
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from $30
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from $50
Registerfrom Free
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from $45
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from $25
Registerfrom $30
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from Free
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