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Doug Witmer of Lagrange, Ill., drowned in Lake Winnebago during the High Cliff Triathlon at High Cliff State Park.
Authorities in eastern Wisconsin are investigating the drowning death of an Illinois man during a triathlon.
The Calumet County Sheriff's Department says 42-year-old Doug Witmer of Lagrange, Ill., drowned in Lake Winnebago during the High Cliff Triathlon at High Cliff State Park in Sherwood, Wis. It happened shortly before 8 a.m. Saturday.
The sheriff's office says the triathlon organizer, Midwest Sports Events of De Pere, had volunteer lifeguards on site.