[2][3] In 1993 he joined the Kodak Racing Team and trained with Chris Boardman for the world hour record and competed in the 100 km Team Time Trail and 50 km Points Race for Great Britain at the World Championships in Norway.

Jennings won seven national championships during his senior racing career and medaled in both road and track disciplines.

During his career Jennings won a total of nine National Championships and represented Great Britain on numerous occasions.

Jennings was injured in an automobile accident in 1996, causing him to retire from professional cycle racing.

[4] He is an active mountain bike rider and competes in enduro and XC events.