Genzebe Dibaba has recorded the fastest indoor 2000 metres of all time.
The Ethiopian ran a time of 5:23.75 seconds in the Spanish city of Sabadell.
Her time was faster than the outdoor record for the same distance.
The International Association of Athletics Federations stated that her time "can be classed as an outright world record as it is faster than Sonia O’Sullivan’s outdoor mark of 5:25.36".
Gabriela Szabo had set the previous record indoor time in 1998.
Dibaba set a time of 2:42.65 at the halfway mark.
At the 2016 Olympics, the 25 year old won a silver medal in the 1500 metres.
A year before she won gold at the World Championships in Beijing while taking bronze at the same championships int the 5000 metres.
Her exploits in 2015 saw her named IAAF World Athlete of the Year.
