Plainfield
Triathlon Calendar near Plainfield 2026-2027
Monthly updates for Plainfield
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Explore the top triathlons near Plainfield for 2026-2027! We've gathered 2 exciting races in the area. Check out our detailed list below to find your next local race.
August 2026
Annual multisport event at Centennial Beach in Naperville offering sprint triathlon, duathlon, aquabike and kids triathlon distances.
November 2026
Indoor triathlon at Oak Brook Park District on November 22, 2026 featuring rowing, stationary cycling, and a track run. Open to ages 12 and up with heats assigned by age and gender; registration runs September 1 to October 1 for $20.