http://www.insidethegames.biz/articles/1050614/london-2017-unveil-medal-designs-for-world-championshipsThe medals "place the drive and determination of athletes at the heart of a unique clockwork design", organisers have claimed.
Designed in the shape of an athletics track, both sets of medals include symbols of every event for each schedule.
The medals for the IAAF World Championships also feature iconic London landmarks that sit on the River Thames, including Tower Bridge, the London Eye, The Shard and Big Ben.