Two world records tumbled on Saturday when Kenya's Agnes Tirop surged to victory in the 10 km race and Ethiopia's Senbere Teferi triumphed in the 5 km distance at an event in Herzogenaurach, Germany. Tirop, a twice world 10,000m bronze medallist, won the 10 km event with a time of 30 minutes and one second, finishing ahead of Sheila Chepkirui …