Italy Canada and Jamaica sparkle in mixed 4x100m relay s global debut

GUANGZHOU, China - Italy, Canada and Jamaica reached the mixed 4x100 metres relay final in the events global debut while heavyweights the United States experienced mixed fortunes on a dramatic opening day at the World Athletics Relays on Saturday.

Victory in 41.15 seconds in the first heat amid challenging conditions in the southern Chinese city of Guangzhou following a spell of rain earned the Italians a place in the medal round to be held on Sunday.

They will be joined by France, who finished second in 41.28 seconds, while pre-race favourites the U.S. saw their hopes of advancing fade when Jada Mowatt and Kendal Williams botched their baton exchange during the second changeover.

Jamaicas mixed sprint quartet clocked 41.04 seconds to edge out Britain by a hundredth of a second in the next heat and they could deploy three-times Olympic champion Shelly-Ann Fraser-Pryce and former world champion Yohan Blake in the final.

Canada crossed the line in a scorching 40.90 seconds to second-placed Australias 41.15 seconds in the third heat to send out a warning to their rivals.

The Americans made up for their error by easing into the mixed 4x400m final, thereby also sealing their spot in the event at the world championships tin Tokyo in September.

The world record-holders will be joined in the Guangzhou final by Belgium, Australia, Ireland, Britain and South Africa as well as the two fastest non-automatic qualifiers Kenya and Poland.

Spain went quickest in the womens 4x100m relay ahead of Jamaica and Belgium, clocking 42.18 seconds, while South Africa dominated the mens event with Akani Simbine anchoring his team to a joint world leading time of 37.84 seconds.

Japan, who were assured of a place in the worlds as hosts, matched South Africas effort in their heat to finish in front of Olympic