I bet that they suffered terribly from the cold when the rain started, considering that they were running in their traditional robes. I don't imagine those garments were of any kind of wicking fabric either.
They'd said beforehand that they were'nt really out to get a decent time, as they were more interested in the fund-raising aspect of the event. When I saw them briefly on the TV, they'd stopped to have another photograph taken. Goodness knows how often that took place along the course!