Sonoma County Public Health officials launch investigation into possible bacterial infections after Tough Mudder endurance race

Several people fall ill with mysterious rashes, fever after Tough

Hundreds of illnesses followed a Tough Mudder race in Sonoma County, California, officials estimate

Mud Runs May Include Unexpected Obstacles

Are mud runs dangerous? Sickness and death linked to the muddy

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California Tough Mudder participants report bacterial infections

California Tough Mudder Participants Warned About Bacterial Infections - InsideHook

Emails show health problems reported after 2022 Sonoma Tough

Hundreds at Tough Mudder race reportedly infected in Bay Area