Track and Field
Coordination based exercises are best done during the preadolescence stage of development. Reinforcing already learned movements is most beneficial to a teen due to significant strength, speed, height and body mass change. Coordination can be achieved with simple balancing games, obstacle running, and agility exercises.
Power is especially essential for throwing and jumping in Track and Field. Exercises such as plyometrics with Lateral Box Push-Off Jumps will give jumpers the explosive jumping power that's necessary to improve jumps.
To get a quick start off the blocks to begin a race, specifically in sprinting, it is crucial to react as fast as possible to the gun being fired. Fractions of a second can cost you a race if you can't react in time. Reaction time can be improved through agility training and practicing blocks with a coach.
Pushing through pain and continue to run is the key to distance running. Distance runners have some of the most mental toughness compared to most other athletes. Most runners naturally develop their toughness by running far distances on a normal basis and pushing through their pain.