What is "racing start"

Usage examples of "racing start".

Sort of a surface dive I would call it, running into the water and then breaking into a racing start.

Scotty's reply was to take off in a racing start toward the blue light.

I picked myself up, got against the far wall, braced one foot against it and tried a swimming racing start.

There was no time for checking on the two back mere to see if they were braced for a racing start I jammed the key over, got the motor started, and slammed the panel into motion down the narrow asphalt lane between the brown-yellow of the standing wheat, now gently wind-rippled by the breeze that always preceded a mistwall, until the plant-tops wavered into varying shades of gold.