During the day, Mo Farah thoroughly inspected the system with the flashing lights that runners can follow in the rim.

Therese Johaug used the system when she broke her personal record of 10,000 m at Bislett in June.

He is looking to run further than 21295 which is the record from 2007. The Swedes Emil Millán de la Oliva and David Nilsson are also in the field.

Brigid Kosgei and Sifan Hassan are looking for the record on the women's side which reads 18517 meters, a record from 2008.

Faith Kipyegon was close to Svetlana Masterkova's world record, 2.28.98, at 1000 in meters Monaco a couple of weeks ago and is now making a new attempt.

- The lights will draw me to the world record, Kipyegon promises to the Diamond League.