Boonen contested the sprint to stage 4 , finishing third .
Boonen did not figure into the Tour 's final stage , ceding a minute and 30 seconds to the leading group to finish 14th overall .
Boonen contested the sprint to stage 4 , finishing third , but he did not figure into the Tour 's final stage , ceding a minute and 30 seconds to the leading group to finish 14th overall .