The explanation was about the technique.
It was a bit mistimed, too much power rather than technique. I've never felt such power as I do now compared to last year; if I get the timing right it will be a bomb at any time, says Ståhl.
The Olympic gold medalist from Paris, Roje Stona of Jamaica, won with 67.79 and the runner-up, German Steven Richter, threw 67.44 - both farther than Ståhl, the Swedish Olympic and World champion.
Vanessa Kamga was second in the women's competition with 62.16, 44 centimeters behind Silinda Morales of Cuba.
Running talent Carmen Cernjul turned 19 and improved her own Swedish junior record in 3,000 meters by 2.7 seconds to 8:54.26.
