London April 21, 2016, Elite women competitors Aselefech Mergia of Ethiopia, Florence Kiplagat of Kenya, Tigist Tufa of Ethiopia, Mare Dibaba of Ethiopia, Mary Keitany of Kenya and Priscah Jeptoo of Kenya pose in front of Tower Bridge as they attend a photocall ahead of the Virgin Money London Marathon at The Tower Hotel on April 21, 2016 in London, England.