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Triathlon Calendar near Rock Island Arsenal 2026-2027

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Explore the top triathlons near Rock Island Arsenal for 2026-2027! We've gathered 2 exciting races in the area. Check out our detailed list below to find your next local race.

July 2027
Adult triathlon in DeWitt, IA on July 17, 2027 with a 500 yard swim in Lake Killdeer, a 15 mile bike route, and a 5 km run finishing at Central DeWitt High School.
A sprint triathlon in Muscatine, Iowa on July 31, 2027 with a 750 m swim, 12.4 mile bike and 5K run, elite prizes and kids Splash N Dash races.
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