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Tough Mudder racers get bloody diarrhea from swallowing feces-tainted mud

Tough Mudder
Tough Mudder
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If the intensity of a "Tough Mudder" race doesn't knock you off your feet, the extreme bloody diarrhea you could get after wards will drop you to your knees.

According to a report released by the CDC on Friday, more than 20 people got violently sick after a “Tough Mudder” run in Nevada after swallowing cow or pig poop in mud puddles.

In those puddles is a germ called Campylobacter coli. The CDC says, “Campylobacter is one of the most common causes of diarrheal illness in the United States. Most persons who become ill with campylobacteriosis get diarrhea, cramping, abdominal pain, and fever within 2–5 days after exposure."

These muddy obstacle races have become extremely trendy recently. The CDC say, “Persons typically are advised of the risks of participating and required to sign a liability waiver. Races are commonly held on farmlands where animal feces increase the risk for zoonotic disease transmission.”

The races often lead to sickness or injury. Last year, state health officials in Michigan said 200 or so people got sick at a mudder race there, likely from norovirus.

And last November, doctors reported that more than a dozen racers injured during a Tough Mudder event in Philadelphia had suffered electrical injuries from low current run through puddles to make the course more challenging.

What do you think? Tough it out at a "Tough Mudder" or play it safe and do a 5k race instead?