What has Paul Geaney done wrong?

We all love to see great rivalry in sport, a battle between the victor and the vanquished, the goodies and the baddies.

The World Athletics Championship perfectly marketed the 100m final as exactly this – a race between drugs cheat Justin Gatlin and the fastest man on the planet, Usain St. Leo Bolt.

All the form was with Gatlin who was unbeaten in 26 races over 100m and 200m while Bolt lurched from one injury crisis to the next.