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Triathlons in Illinois

2026 and 2027 race calendar. 16 upcoming, updated daily.

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Map of races in Illinois
RunningTrailCyclingTriathlonObstacleGroup of races
Chicago55Lake Zurich10Springfield10Rockford7Belleville6Normal6Greater Chicago5Lemont5Palatine5Rolling Meadows5Wheaton5Edwardsville4Elk Grove Village4Lisle4Shorewood4Aurora3Bloomington3Byron3Dekalb3Herrin3Marion3Mattoon3Monticello3Oak Brook3
All 207 cities and towns
Chicago55Lake Zurich10Springfield10Rockford7Belleville6Normal6Greater Chicago5Lemont5Palatine5Rolling Meadows5Wheaton5Edwardsville4Elk Grove Village4Lisle4Shorewood4Aurora3Bloomington3Byron3Dekalb3Herrin3Marion3Mattoon3Monticello3Oak Brook3Oakwood3Olney3Peoria3Pingree Grove3Schaumburg3Toledo3Arlington Heights2Barrington2Batavia2Bourbonnais2Canton2Carbondale2Carterville2Channahon2Chatham2Collinsville2Crystal Lake2Danville2Decatur2East Peoria2Evanston2Galena2Galesburg2Geneseo2Harrisburg2Harvard2Hudson2Lincolnshire2Litchfield2Marseilles2McHenry2New Lenox2Oak Park2Oglesby2Orland Park2Oswego2Robinson2St. Charles2Urbana2Utica2Wheeling2Winnetka2Yorkville2Aledo1Anna1Barrington Hills1Bedford Park1Beecher1Belvidere1BEMENT1Benton1Bloomingdale1Bolingbrook1Brookfield1Calumet City1Cambridge1Carlyle1Carol Stream1Carthage1Champaign1Charleston1Cisco1Coal City1Cobden1Crete1Cuba1Deer Park1Dieterich1Downers Grove1Downs1Du Quoin1Dwight1Elgin1Elmhurst1Elmwood Park1Eureka1Fairfield1Fairview Heights1Forsyth1Freeport1Fulton1Geneva1Glen Carbon1Glenview1Glenwood1Good Hope1Grafton1Granite City1Grayslake1Greenup1Greenview1Hampshire1Hanna City1Heyworth1Hinsdale1Homer Glen1Homewood1Huntley1Ina1Itasca1Johnston City1Joliet1Kankakee1La Grange1La Grange Park1Lake Bluff1Lake in the Hills1Lansing1Lawrenceville1Lena1LeRoy1Lewistown1Lincolnwood1Lombard1Long Grove1Louisville1Machesney Park1Mackinaw1Makanda1Manhattan1Marquette Heights1Marshall1Maryville1Matteson1Mc Nabb1McLean1McLeansboro1Monmouth1Morris1Morton1Mount Carmel1Mount Sterling1Naperville1Neoga1New Berlin1Norridge1North Chicago1O Fallon1Oblong1Odin1Olympia Fields1Onarga1Oreana1Orient1Ottawa1Palos Hills1Park Ridge1Paxton1Petersburg1Pinckneyville1Pittsfield1Pleasant Plains1Pontiac1Quincy1Rock Falls1Rock Island1Rockport1Romeoville1Roscoe1Round Lake Park1Saint Charles1Sainte Marie1San Antonio1Sandwich1Seneca1Sheffield1Sheridan1Shipman1South Beloit1Spring Grove1Spring Valley1Sugar Grove1Teutopolis1Towanda1Trout Valley1Tuscola1University Park1Vandalia1Vienna1Warrenville1Washington1Westmont1Willow Springs1
16 upcoming
Sport
AllRunning333Trail33Cycling3Triathlon16Obstacle7Other2
Distance
AnySprint7Olympic3
October 2026

Tri-State Warrior Run

Quincy, Illinois, United States
TriathlonHalf marathon1 miles3.1 miles6.2 miles
November 2026
January 2027
February 2027

Dry Tri

Toledo, Illinois, United States
Triathlon
March 2027
May 2027
June 2027
July 2027
August 2027
October 2027

Last Chance Tri

Mattoon, Illinois, United States
Triathlon3.1 miles6.2 miles
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