Ethiopia's Mare Dibaba, left, and Tigist Tufa take on fluids as they race in the women's marathon at the World Athletic Championships at the Bird's Nest stadium in Beijing, Sunday, Aug. 30, 2015. (AP ... more 
Ethiopia's Mare Dibaba, left, and Tigist Tufa take on fluids as they race in the women's marathon at the World Athletic Championships at the Bird's Nest stadium in Beijing, Sunday, Aug. 30, 2015. (AP Photo/Wong Maye-E) less 
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Associated Press | Photo By Wong Maye-E
Sat, Aug 29, 2015 8:09 PM EDT