Ethan Katzberg celebrates winning gold at the World Athletics Championships in Tokyo on Tuesday.

Canada’s Ethan Katzberg claimed a third global hammer title in three years on Tuesday when he launched his second attempt a massive 84.70 metres for a championship record that made him the fifth-longest thrower in history.

The 23-year-old incredibly was over 81 metres with all six throws and finished with an 83.73 for fun with the gold medal already assured.

He is now a double world champion either side of his Olympic triumph last year and his win made it a hammer double for Canada in Tokyo after Camryn Rogers completed the same global hat-trick on Monday.

Germany’s Merlin Hummel took the silver after he hugely improved his personal best from 81.27 to 82.77 with his first throw. Hungary’s

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