Hitting speeds of more than 80 miles per hour, the driver lost his pursuer after cresting a hill.

But the competition became intense quickly with everybody going all out in spurts, hitting speeds of 40 miles per hour, just inches apart.

Knowing how to hit speeds like this would be worth a fortune.

People pedal hard to hit speeds of more than 20 miles an hour, feeding off the dog's running power to gain an extra burst.

The transit platforms hit speeds of a hundred kilometers per hour.

They hit speeds well over 100 mph and slide/drift around the dirt corners.

"He's learning to hit the breaking ball and changing speeds," Manuel said.

"And once we hit relativistic speeds, our sensors'll be blind to just about everything," Fletcher said.

At its best, the river offers a calm straightaway for boats that are likely to hit speeds of 135 miles an hour or more.

It is a slow swimmer, seemingly unable to hit speeds over five knots.