Williams, an 18-year-old senior who was injured last year, won the 100 in a personal best 11.65 seconds despite a strong head wind.

When we get to the bend in the river, we're greeted by a strong head wind.

"For the first time in seven years, currency won't be a head wind," he said.

This head wind has worn me down and I'm tired now.

For maybe 10 miles I felt good, despite a strengthening head wind and temperatures in the high 80's.

The winning time, affected by a head wind, was 6 minutes 9.5 seconds.

"The economy is moving forward, but in the face of a 50-mile-an-hour head wind," he declared.

A strong dollar has been a head wind for many of the manufacturing companies we follow.

A twenty-mile-an-hour head wind meant that they would be the best part of six hours in getting back.

Clearly, we are up against a head wind at the moment.