Mr. Period's legs aren't long enough for fast running.

The Pacifics were capable of very fast running.

Their light axle-loading also meant widespread use over the Southern network, and they were capable of fast running.

Over the course of their evolution, this group has become increasingly adapted to lives of fast running and leaping.

The spiders make up for that with their fast running.

Its speed helps it survive to have children; and therefore more copies of all its genes, including the gene for fast running, are passed on.

Out of two hundred and fifty villagers about a score had got away by fast running.

It had only two toes on each foot, and its legs were built for fast running.

A fast running or hard fighting fish may take line from the reel and get into the backing.

"There's a fast current running here," said Madison above the hiss of the downpour.