The 2005 Tirreno–Adriatico was the 40th edition of the Paris–Nice cycle race and was held from 9 March to 15 March 2005. The race started in Civitavecchia and finished in San Benedetto del Tronto. The race was won by the then-current road race world champion Óscar Freire of.

Teams

Twenty-three teams, containing a total of 184 riders, participated in the race:

Route

Stages

Stage 1

Stage 2

Stage 3

Stage 4

Stage 5

Stage 6

Stage 7

General standings

KOM classification

Points classification

Best team