The 2011 Three Days of De Panne (Dutch: 2011 KBC Driedaagse van De Panne-Koksijde) was the 35th edition of the Three Days of De Panne, an annual bicycle race. Taking part in and around the De Panne region of West Flanders, it began in Middelkerke on 29 March and finished in De Panne two days later. The 538.7-kilometre-long (334.7 mi) stage race comprised four stages, with two held on the final day. It was part of the 2010–2011 UCI Europe Tour and was rated as a 2.HC event. Sébastien Rosseler of Team RadioShack won the general classification, his first ever victory in a stage race.[1]