British distance runner
The reigning Olympic and world champion in the 5,000 and 10,000 meters said he collapsed on the bathroom floor after a hard training run in Utah last month.
"I suddenly had severe abdominal pain," he recalled in an interview published on the Zurich 2014 meet's website. "I even spent four days in hospital."
The stomach ailment -- along with an infected tooth -- caused Farah to miss the
Farah, who will try for another double in the 10,000 on Wednesday and the 5,000 on Sunday, insisted that his illness is no cause for lingering concern.