Serbia's Olivera Jevtic celebrates victory as she crosses the finish line at the 30th Belgrade marathon in Belgrade, Serbia on April 22, 2017. (Xinhua/Predrag Milosavljevic)
Serbia's Olivera Jevtic celebrates victory as she crosses the finish line at the 30th Belgrade marathon in Belgrade, Serbia on April 22, 2017. (Xinhua/Predrag Milosavljevic)