Upcoming Triathlons in Illinois

Mattoon-Man

Mattoon, IL

July 12, 2025

Sprint

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Lake Zurich Triathlon

Lake Zurich, IL

July 13, 2025

OlympicSprintAquabikeDuathlon

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Screw City DUATHLON & 2 MILE RUN/WALK - Powered by RockRiver Multisport

Loves Park, IL

July 20, 2025

Duathlon

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Crystal Lake Aquathon - 2025

Crystal Lake, IL

July 20, 2025

Aquathlon

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MMTT Splash and Dash - Geneva

Geneva, IL

July 23, 2025

Youth

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Lake Springfield Triathlon

Springfield, IL

July 26, 2025

Half IronOlympicSprintAquabike

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Wauconda Kids Triathlon

Wauconda, IL

July 26, 2025

Youth

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Wauconda Triathlon

Wauconda, IL

July 27, 2025

OlympicSprint

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Booster Bash Tri & 5K

Salem, IL

August 2, 2025

Sprint

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Naperville Sprint Triathlon

Naperville, IL

August 3, 2025

SprintDuathlonYouth

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White Squirrel Kids Triathlon

Olney, IL

August 8, 2025

Youth

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Sage City Triathlon

Monticello, IL

August 9, 2025

SprintSuper Sprint

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Tri To Help Sprint Triathlon

Quincy, IL

August 9, 2025

Sprint

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White Squirrel Triathlon

Olney, IL

August 9, 2025

Sprint

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The Forge Gravel Triathlon

Lemont, IL

August 16, 2025

Sprint

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North Shore Youth Triathlon

Evanston, IL

August 17, 2025

Youth

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Chicago Triathlon

Chicago, IL

August 24, 2025

OlympicSprintSuper SprintYouth

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Carlyle Lake Triathlon

Carlyle, IL

September 21, 2025

OlympicSprintAquabike

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Tri The Illini

Champaign, IL

September 21, 2025

Sprint

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