Vincent Massey Collegiate senior Victoria Tachinski of Winnipeg, Manitoba, Canada, representing Stride Ahead Tough Track, ran the No. 2 time in meet history by clocking a personal-best 53.40 in the girls 400 meters at the 39th Simplot Games at Holt Arena in Pocatello, Idaho. Tachinski also set the Canadian U-20 indoor 400 record.