Olympic and world champion Mondo Duplantis has broken the pole vault world record 15 times and utterly dominated the event, but Greece’s Emmanouil Karalis has now emerged as a real challenger having found the courage to go toe-to-toe with the Swede.

Armand 'Mondo' Duplantis said Wednesday that improving standards in pole vaulting had transformed the event from a demonstration to a proper competition that fans crave.

Le sauteur à la perche grec de 26 ans, qui s’installe petit à petit comme un rival du détenteur du record du monde Mondo Duplantis et le défiera jeudi à Zurich, a derrière lui un…