from $55
RegisterIllinois duathlons
Duathlons in Illinois
5 upcoming duathlons in Illinois listed by date, with cities, start times, and entry fees. Find a duathlon near you and register.
5
upcoming races
0
cities with 5+
Other distances
April 2027
June 2027
Tri-Shark Classic Triathlon & Duathlon
Hudson, Illinois8:00 AM startOpen water swim
from $79
RegisterJuly 2027
Lake Zurich Triathlon
Lake Zurich, Illinois6:45 AM startOpen water swim
from Free
RegisterAugust 2027
Naperville Sprint Triathlon
Naperville, Illinois7:00 AM startPool swim
from $70
Register