Tough Mudder participant likely source of sickness

BROOKLYN, Mich. (AP) — State health officials say a virus that sickened people who participated in a long-distance race through mud and other obstacles in southern Michigan likely originated from a participant on the course.

The state Department of Community Health says there were more than 200 reports of gastrointestinal problems from spectators and runners at the June 29-30 Tough Mudder event in Jackson County. The event included more than 22,000 participants and spectators.

The department says it’s a norovirus, which is common and produces flu-like symptoms for a few days.

In an update Wednesday, the Department of Community Health said that most illnesses were reported from people who had mud or muddy water in the mouth.

The state says Tough Mudder officials are working with health officials to prevent future problems. provides commenting to allow for constructive discussion on the stories we cover. In order to comment here, you acknowledge you have read and agreed to our Terms of Service. Commenters who violate these terms, including use of vulgar language, racial slurs or consistent name calling will be banned. Please be respectful of the opinions of others. If you see an inappropriate comment, please flag it for our moderators to review.

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