[3][4] He scored a century during the 1991 defeat of Central Otago as Southland were one of the tournament's dominant sides during the period.
[5] Lamont made his first-class debut in the Otago representative side during the 1990–91 season, playing against Canterbury in a Plunket Shield match at Invercargill.
He made his only first-class century during the season, scoring 127 runs against Auckland at Dunedin towards the end of January.
[3][4] In his final season for the representative side he scored 71 not out in 143 minutes against Auckland at Eden Park, part of an Otago record 134 run partnership for the second wicket in List A cricket.
The record partnership was beaten in 2013–14 when Aaron Redmond and Michael Bracewell scored 155 runs against Wellington.