But lately, the grueling pace of the campaign has taken its toll.

They had been traveling for nigh on two weeks at a grueling pace.

He must have been putting them through some grueling paces.

Within seconds, Roger was behind her and they set off at a grueling pace.

It may be from trying to keep up with the grueling pace of President Clinton.

His father had set a grueling pace, and it had taken its toll.

Once again he set a grueling pace on a different, steeper trail.

The men continued to run, officers setting the grueling pace with songs at first.

The women didn't complain about the grueling pace, but the group stopped when the sun was going down and made camp by a clear stream.

But she'd never had to keep up such a grueling pace for such a long time.