Here's a look at who the fastest man in the world is right now as the men's 100-meter nears. MORE: Event schedule for track ...

Eight men will compete in the 100m final Sunday for ... Bolt holds the all-time 100-meter dash record of 9.58 seconds, set in 2009, and he holds the Olympic record of 9.63 seconds set in 2012.

Here's a look at the science and technique in the race, along with the sprinters' views of those 100 meters. Apart from the men wondering how they might beat Bolt, there is one thing sprinters say ...