It still isn't clear what caused the runners to become sick, but health officials are now testing ground samples taken from the race site to determine the cause of the illnesses.
archive at Tadias Magazine
Storm Gail sees more snow fall in NYC in one day than the WHOLE of last winter
More Than 1,000 French Mud Race Participants Sick
Tough Mudder racers at MIS contracted norovirus from sick participant, health officials say
Tough Mudder racers at MIS contracted norovirus from sick participant, health officials say
Valley News, July 15, 2022 by Village News, Inc. - Issuu
Tough Mudder racers at MIS contracted norovirus from sick participant, health officials say
NewsTribune_Entertainment Guide_052723 by Shaw Media - Issuu
1,000 runners get sick with Norovirus after mud run in southeastern French - ABC7 Los Angeles