Triathlon events across Illinois

From city marathons to local trail runs—find triathlon events in cities and communities throughout Illinois.

48 events

34 cities & towns

View organizations in Illinois

Where the racing is

Illinois's busiest cities

All cities & towns

34 places

A

Algonquin1

B

Bloomington1 Boone County1

C

Carlyle1 Carterville1 Champaign1 Chicago3 Chillicothe3 Columbia1

D

DuPage County4

E

Evanston2

G

Geneva2 Glen Carbon1

L

Lake County2 Lake Zurich1 Lemont1 Litchfield2

M

Mattoon1 McLean County1 Menard County1 Moline1 Monticello1

N

Naperville1 New Lenox1

O

P

Paris1 Peoria Heights1

R

Rockford1

S

Springfield2 St. Charles2

T

Tazewell County1

W

Wauconda1 Winnebago County1

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