Yelena Isinbayeva of Russia competes in the women’s pole vault at the Luzhniki Stadium. The 31-year-old triumphed with a leap of 4.89 metres. Photograph: Dominic Ebenbichler/Reuters

The world championships finally caught fire as the fans turned up to say farewell to Yelena Isinbayeva, only for the Russian pole vault queen to roll (...)