London 2012 has been called the “dirtiest Olympics” in history - this is why I believe it was the cleanest

With over 150 athletes disqualified from the 2012 Olympics for doping it is no wonder many believe it was the dirtiest in history. But we should be celebrating the fact so many cheats were caught

Last week The Guardian, the newspaper where I was Olympics and athletics correspondent for 15 years, published an article on the women’s 1500 metres final at London 2012.

The event has replaced the 100m at Seoul 1988 as “the dirtiest race in Olympic history” as six of the top nine runners in the race have been disqualified for doping. This included the o…