The sportswear giant is IAAF’s largest sponsor and it is believed that the decision is a direct result of the doping scandal sweeping the sport.


Neither organisation would confirm the split to the BBC, but both issued short statements referencing the “reform process” under way.

An statement from the sportswear giant says: “As you know Adidas has a clear anti-doping policy in place. Therefore, we are in close contact with the IAAF to learn more about their reform process.”