 Twenty @-@ two teams participated in the 2013 edition of the Tour de France . All of the nineteen UCI ProTeams were entitled , and obliged , to enter the race . On 27 April 2013 , the organiser of the Tour , Amaury Sport Organisation ( ASO ) , announced the three second @-@ tier UCI Professional Continental teams given wildcard invitations , all of which were French @-@ based . The presentation of the teams took place at the harbour of Porto @-@ Vecchio on the island of Corsica on 27 June , two days before the opening stage held in the town . Each team arrived by boat to the stage , before being introduced to the crowd . 
