Mark Renshaw announces he will retire at the end of the season, aged 37 Jul 04, 2019 A key lead-out rider for Mark Cavendish, Mark Renshaw has announced his retirement (Photo by Justin Setterfield/Getty Images)Mark Renshaw has announced he will retire at the end of the 2019 season, when he will be 37 years old. Tags: Dimension Data News Racing Top story Share 0 Share on Facebook Tweet Tweet on Twitter +1 +1 on Google Plus