Chinese swimmers showcased their strength in depth with record-breaking performances by veterans and rising stars at the national championships in Beijing. As of Tuesday, swimmers had broken one world, six Asian and multiple national records. Zhang Yufei and Zhang Zhanshuo set Asian short-course records in the women’s 100m butterfly and men’s 800m freestyle, clocking 54.87 seconds and seven minutes 28.61 seconds respectively to claim gold. The national event is the official selection trial for...