The 400IH is a very technical event. It requires endurance, speed, and perfect race distriibution. If you have never ran anything that long it will absolutly kill you. It is more painful than a 600m. However, it’s still my favorite race. Most people hate it. so… you kindof have to try it and find out if you like it or not.
Train hard, win easy… you know thats a distance running book right.