from $55
RegisterO'Fallon race calendar
Triathlons and bike races in O'Fallon, Illinois
0 upcoming races in O'Fallon. Dates and fees come straight from race registration and refresh every night.
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upcoming races
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sprint triathlons
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duathlons
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typical entry fee
No upcoming races listed in O'Fallon right now
Browse everything in Illinois, or look at nearby cities.
Triathlons within 100 miles of O'Fallon
MTC Zilla Tri
Columbia, Illinois7:00 AM startPool swim
from $30
RegisterSt. Louis Triathlon
Saint Louis, Missouri6:30 AM startOpen water swim
from Free
Register
from $40
Register
from $65
RegisterSt. Luke's New Town Triathlon
Saint Charles, Missouri9:00 AM startOpen water swim
from $45
Register370 Lakeside Triathlon
Saint Peters, Missouri6:45 AM startOpen water swim
from $30
RegisterLake Lou Yaeger Triathlon
Litchfield, Illinois7:00 AM startOpen water swim
from $75
RegisterInnsbrook Triathlon
Wright City, Missouri7:00 AM startOpen water swim
from $75
Register
from $40
Register