Ireland’s Dan Martin celebrates as he crosses the finish line to win the sixth stage of the 105th edition of the Tour de France between Brest and Mur-de-Bretagne Guerledan, western France. Photo: Marco Bertorell/Getty Images

Five years ago Dan Martin notched up Ireland’s first Tour de France stage win in 21 years, and became only the fifth Irishman to achieve that feat. On(...)