Brigid Kosgei, the women’s world marathon record holder, from Kapsait Nike Athletics Training Camp in Elgeyo Marakwet County, does speed work at Lornah Kiplagat Sports Academy in Iten on May 19, 2021.
The race was initially set for 7am Sapporo time, which is 1am Kenyan time, but the extreme weather conditions being experienced in Sapporo forced the organisers to alter the start time.
Tokyo, Japan
The Olympic women's marathon will start at 06:00 am local time on Saturday (2100 GMT Friday, midnight Kenyan time on Saturday), an hour earlier than scheduled due to the forecast stamina-sapping heat and humidity in Sapporo.