It consisted of 21 stages covering a total of 3,192 km (1,983 mi), and was won by Alexander Vinokourov of the Astana cycling team.

In addition to the 20 UCI ProTour teams, Relax–GAM have received a wild card.

Jersey wearers when same rider is holding multiple jerseys: In 2006, the leader of the points classification is awarded a blue with yellow-fish-covered jersey, which is sponsored by Spain's fishing and marine industry known as FROM (or El Fondo de Regulación y Organización del Mercado de Productos de la Pesca y Cultivos Marinos).

[1] Archived 2008-09-26 at the Wayback Machine In 2006, the leader of the climbers classification (or King of the Mountains) wears the orange jersey sponsored by Ford.

In 2005, the rider with the lowest cumulative rank of all classifications wore a gold-green jersey.