Starting blocks
Videos
Starting blocks are a device used in the sport of track and field by sprint athletes to brace their feet against at the start of a race so they do not slip as they stride forward at the sound of the s
Pressure-sensitive starting blocks with loudspeakers. A pressure sensor will detect an early start and the loudspeakers provide the runners with the sound from the starter all at the same time.
100 metres
Videos
The 100 metres, or 100-meter dash, is a sprint race in track and field competitions. The shortest common outdoor running distance, the 100-metre dash is one of the most popular and prestigious events
Start of the men's 100 metres final at the 2012 Olympic Games in London
Start (green) and end (red) points of a 100 metre race, marked on a running track
Male sprinters await the starter's instructions
Usain Bolt breaking the world and Olympic records at the 2008 Beijing Olympics