EUGENE, Ore. (Reuters) – American Sydney McLaughlin shattered her own 400 metres hurdles world record to clinch her first individual World Championships gold, while compatriot Michael Norman claimed the men’s 400m crown and Bahamian Shaunae Miller-Uibo won the women’s event. McLaughlin blazed home in 50.68 seconds to set the first world record at this year’s championships, finishing well clear of silver medallist Femke Bol of the Netherlands. Defending champion Dalilah Muhammad finished third. “The time is absolutely amazing and the sport is getting faster and faster,” said McLaughlin, who won…