I can’t comment on his training, but the 48.86 was his sixth 400m race of the season (his first was a 52.4), and he had also raced over 200 and 800m before.
I can’t comment on his training, but the 48.86 was his sixth 400m race of the season (his first was a 52.4), and he had also raced over 200 and 800m before.