Illinois man pronounced dead after participating in Lake Monona swim race

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MADISON, Wis. — An Illinois man died over the weekend after participating in a swim race in Lake Monona.

According to the Dane County Medical Examiner’s Office, the 51-year-old had to be removed from the water, for an unspecified reason, during the Big Swell Swim race on Saturday. He was taken to a local hospital where he later died.

The medical examiner has identified the man as Michael J. Hahn of Rochelle, Illinois.

The Big Swell Swim race is a 1.2 or 2.4-mile race along the northwestern shore of Lake Monona near downtown Madison. The race started at Law Park around 9 a.m.

Authorities did not say how Rochelle died, but additional testing is underway. The man’s death is under investigation by the Madison Police Department and the Dane County Medical Examiner’s Office.