from $25
RegisterOak Brook race calendar
Triathlons and bike races in Oak Brook, Illinois
1 upcoming race in Oak Brook, with a typical entry fee around $25. Dates and fees come straight from race registration and refresh every night.
1
upcoming races
0
sprint triathlons
0
duathlons
$25
typical entry fee
By distance
June 2027
Triathlons within 100 miles of Oak Brook
Naperville Sprint Triathlon
Naperville, Illinois7:00 AM startPool swim
from $70
Register
from $45
RegisterSupertri Chicago Triathlon
Chicago, IllinoisOpen water swim
St. Charles Indoor Triathlon
Saint Charles, Illinois8:00 AM startPool swim
from $32
Register
from $50
Registerfrom $50
RegisterLake Zurich Triathlon
Lake Zurich, Illinois6:45 AM startOpen water swim
America's Race - Leon's Triathlon. June 6, 2027
Hammond, Indiana8:00 AM startOpen water swim
from $150
RegisterPleasant Prairie Triathlon
Pleasant Prairie, Wisconsin6:30 AM startOpen water swim
from $70
RegisterWisconsin Women's Triathlon
Pleasant Prairie, Wisconsin7:00 AM startOpen water swim
from $100
Register