Leeper clocked a massive PB of 44.42 seconds beating three-time World indoor champion Pavel Maslak of Czech Republic by 1.31 seconds.
See full men's 400m results here
04 February 2023 10:00 (GMT)
04 February 2023 12:30 (GMT)
04 February 2023 16:00 (GMT)
04 February 2023 17:30 (GMT)
04 February 2023 18:00 (GMT)
04 February 2023 21:00 (GMT)