Olympic pole vault champ Yelena Isinbayeva experiences rare defeat at London GP

Isinbayeva beaten in pole vault at London GP

LONDON — Olympic pole vault champion Yelena Isinbayeva has experienced a rare defeat at the London Grand Prix, ending a six-year winning streak at Crystal Palace.

The 27-year-old Russian was beaten by Anna Rogowska of Poland at Crystal Palace stadium on Friday.

The loss comes ahead of next month’s world championships in Berlin.

Isinbayeva says she was not in form Friday but remains confident about performing well at worlds.