im a 16 year old male, i run th 100 & 200m for my schools track team, i run about a 12.1- 12.4 in the 100, and 25.8 -26.1 in the 200m, i do short sprints w/ a parachute, HILT, agility ladder, and sprinting up hills 3 days a week, is this good, and are there any other exercises i can do that can help?