The 23-year-old, who is expected to make his 100th senior for the Aviva Premiership club in Friday’s Amlin Challenge Cup quarter-final against Stade Français, has become an integral part of the London club’s front row since graduating from the club’s academy in 2010.
There was never any doubt in my mind that this is where I wanted my long-term future to be
Rated one of the most powerful front row forwards in northern hemisphere rugby, the England loosehead propr was a part of Harlequins’ successful Amlin Challenge Cup squad in 2011 and an Aviva Premiership winner in 2012.
“I am really happy to have signed on again with my childhood club, Harlequins,” Marler said.
“When I was given the opportunity to re-sign for the club, there was never any doubt in my mind that this is where I wanted my long-term future to be.”
Marler’s rise in English rugby has seen him go through the age grade levels to become a regular at international level with 19 caps since making his debut during the 2012 summer tour to South Africa.
He had played in 14 consecutive Test matches before missing the final game of this year’s Six Nations championship as his partner gave birth to their first child.
“We are obviously delighted that Joe has committed his future to Harlequins,” Harlequins director of rugby Conor O’Shea added. “It is incredible to think that at just 23, he will make his 100th senior appearance this Friday.
“He is, and will continue to be, a cornerstone in the pack and in the success of this club. Joe is developing into one of the leading looseheads in international rugby.
“Joe still has so much more to give and like us all, is hungry for more silverware for both club and country.
“I am really excited, as I’m sure the Harlequins supporters will be, to see Joe’s continuing development in the coming years in a quartered jersey.”
MORE: The latest football news
MORE: The latest tennis news
BIOGRAPHY: Marcus Rashford