SUAMICO, Wis. - A 38-year-old man is dead after competing in a mountain bike race in Brown County.

According to county sheriff's department, the man was cycling up a steep hill during the race at Brown County Reforestation Camp Sunday. He got off his bike and told a nurse that he couldn't catch his breath.

WLUK-TV reports he was transported to the hospital where he was pronounced dead.

Officials are investigating the cause of death.

More than 600 competitors took part in the 12-mile race organized by Wisconsin Off Road Series.

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