Lambert signed with the Holdsworth cycling team for 1974 alongside Les West and Colin Lewis and won the British National Road Race Championships for the first time that year.
[4] Prior to that he was manager of Banana-Falcon when Keith Reynolds won Stage One of the Tour of the Americas and at the Vuelta a Murcia where Dave Rayner finished seventh overall.
[5] He was manager at Brite and signed Chris Newton, Rob Hayles, Jon Clay, Bryan Steel and Matt Illingworth.
Following that he was asked to help Max Sciandri with the young British riders coming back from Italy for the Tour of Britain.
From 2011 Lambert started full time with British Cycling looking after the u23 team where he would work with riders such as Simon Yates (cyclist) and Tom Pidcock, before retiring at the end of the 2019 season.