The world’s best athletes will be back in the London Stadium at the Queen Elizabeth Olympic Park from 4-13 August. Here are 10 jumpers the IAAF think fans should watch out for in the run-up to the World Championships London 2017: http://www.iaafworldchampionships.com/news/423580#
Jumpers to watch out for at the upcoming IAAF World Championships: Manyonga top of list
