Hamilton said: "Once I got by I gave everything until I got stuck behind a backmarker
and on some dirt.
George Gentle (Lewis Welshpool) another new recruit for the division, took the second Novice race from backmarker
Kiplyn (Williams Brecon) with Tyssul T Opal (Atherton-Rees Narberth) in third.
Taking my first podium is fantastic, the team did a great job and I felt really comfortable leading from pole", said the Fortec Motorsports driver, "Everything was going perfectly until the backmarker
got in the way, as soon as I'd made my decision to go to the inside to pass him he swerved in front of me and I had to slow down.
The Finn exited the pits just as Grosjean, who had been held up by a backmarker
, came screaming down the main straight, which caused their engineers to sweat as they went through turn one side by side.
The lead got to be as big as 10 seconds before another yellow flag and a spin by a backmarker
closed the final gap.
Nadal (Atherton-Rees Narberth) and driver Mathew Tromans while making the most of their gate position, secured the rst Novice heat from Habberley Playboy (Johns Shrewsbury) with the backmarker
Miss Jackpot (Langford Ammanford) in third.
Arthur Morgan, who on New Year's Day had made history by becoming the first and, as it turned out, the only Welshman to have won the Scottish Powderhall, was backmarker
and conceded 11 yards to Jack Mills.
On fresh rubber, and although effectively a backmarker
, given the speed of his McLaren he tried to unlap himself by first passing second-placed Vettel.
The Scot, a two-time Le Mans winner, made a spectacular exit from the race inside the first hour, clipping a backmarker
just moments after taking the lead and flying at 120mph into the barriers.
Towards the end we started battling, and with about a minute to go there was a backmarker
Former MotoGP backmarker
Michel Fabrizio fought from 14th on the grid to claim third place aboard a DFX Honda while Walker's team-mate Nieto was fourth.
Spinnaker Division B also saw the backmarker
take the gun with J Force, helmed by Judy Bergman, winning a close race.