Dozens of runners required medical treatment for heat-related problems during a half-marathon on a hot and humid day in central Pennsylvania.
Lancaster Newspapers reported Sunday that more than 50 people received help at medical tents during and after the Bird-in-Hand half-marathon on Saturday.
A few of the runners were taken to nearby hospitals for additional help.
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Officials say the problems included dehydration and heat exhaustion, as temperatures in the 80s mixed with very muggy conditions.
A race organizer says many of the runners simply slowed down because of the weather.