Upcoming Triathlons in Illinois

Turkey Dri Tri Oak Brook Park District

Oak Brook, IL

November 23, 2025

Dry Tri

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CORE Indoor Sprint Triathlon

LEMONT, IL

March 14, 2026

Super Sprint

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Pioneer Spirit Triathlon - Sprint, Mini, & Challenge | 5k Run

Petersburg, IL

May 9, 2026

Sprint

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Lake Lou Yaeger Triathlon

Litchfield, IL

May 17, 2026

OlympicSprintAquabike

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Tri-Shark Classic

Hudson, IL

June 6, 2026

SprintDuathlon

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Ironman 70.3 Rockford Illinois

Rockford, IL

June 21, 2026

Half Iron

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Lake Zurich Triathlon

Lake Zurich, IL

July 12, 2026

OlympicSprintAquabikeDuathlon

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Lake Springfield Triathlon

Springfield, IL

July 25, 2026

Half IronOlympicSprintAquabike

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Naperville Sprint Triathlon

Naperville, IL

August 2, 2026

SprintDuathlonYouth

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Chicago Triathlon and Kids Tri

Chicago, IL

August 22, 2026

OlympicSprintSuper SprintYouth

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