Usain Bolt racks up a straightforward 100m victory on the European bow of his farewell season, but likely successor Wayde van Niekerk steals the headlines in Ostrava with a world record in the little-run 300m.
Usain Bolt racks up a straightforward 100m victory on the European bow of his farewell season, but likely successor Wayde van Niekerk steals the headlines in Ostrava with a world record in the little-run 300m.
