In November, he will go to qualifying school, a grueling series of hurdles, to attempt to make it to the Tour.

The Physics Olympiad, a grueling series of competitive examinations, was held in Warsaw in July.

Each day Karitas sat for hours, pushing the Jerusalem Man through a grueling series of exercises.

Those who watched Olajuwon over the grueling series gained a new appreciation of the physical gifts that made him the best player in basketball.

Under Han's imperious leadership, the informal music making turns into a grueling series of rehearsals during which Han is unstinting in his criticism.

Despite continually racing against high-class competition, they have held their form through a grueling series of races.

The Belmont is not only the final test in the grueling series but also the longest.

Amy Hughes, a Cornell graduate and certified public accountant, is now recovering after a grueling series of treatments for breast cancer a year ago.

With Michael Jordan and Scottie Pippen playing baseline-to-baseline defense against him, this has been a grueling series for Johnson.

These are the greatest warriors among them, and one reaches this stage only by surviving a grueling series of tests.