Klaver also took a big bite out of her personal best, which stood at 50.80. She also ran very well on Friday in the mixed 4×400 meters relay, in which she won silver with Bol, Liemarvin Bonevacia and Tony van Diepen. Her split time then was 49.32. The semifinals of the 400 meters are on Wednesday.
Lieke Klaver improves Dutch record 400 meters in series World Cup | Other sports
