Russia’s Sergey Ustiugov was 100 yards away and three minutes from the start of his own classic sprint final when his teammate Elena Soboleva crashed out of the front of the women’s race. Rather than collecting a medal, Soboleva was last in the heat, leaving it up to Ustiugov to cash in. And cash in he did, overpowering Norway’s Sondre Fossli and his own teammate Gleb Retivykh on the homestretch to take World Junior Championships...