This is only on the track, lanes are stricly enforced with, each person gets their own lane. Here you have to go full speed until the race is over. You use lots of enrgy when you sprint because you are trying to go at your maximun speed throughout the race. These races are usually short but quick.
This is on the track and sometomes off it depending on the event. This event uses lots of energy and stamina, you are running fast for long periods of time or finishing a race as fast as you can.
This only includes events that do not take place on the track and different strengths are used for each.
This is a timer to the World Championship in Athletics at London, United Kingdom