Responsive Interactive graphic charts the evolution of 100m, 200m, 400m, 800m, 1500m, 5000m and 10000m Olympic records.
RIO 2016
Olympic track records interactive
By Ben Mullins
August 5, 2016 - August 25, 2016 - RIO 2016: Olympic 100m, 200m, 400m, 800m, 1500m, 5000m and 10000m evolution