KK,
My 400m boy just ran 51.6 in the open 400, and 3 days earlier ran a 50.2 relay anchor leg. He has improved his 200 from 23.7 to 23.3.
Yesterday we did 5x200 in 26 with 200m jog. He made every time. My thoughts are he is not going out hard enough considering his 200 efforts. Thoughts?