Why does Kipchoge’s record is unofficial? Reasons to invalid it

Kipchoge made history running sub two-hour marathon. The achievement is so remarkable that it is compared with humanity first arriving to the moon. But there were several factors of the race organized in Vienna that the IAAF considered invalid. On Saturday, October 12, 2019, Kenian Eliud Kipchoge became the first human being ever to run … Continue reading Why does Kipchoge’s record is unofficial? Reasons to invalid it