[6] After entering the 2006 Catalan Grand Prix as a wild-card rider,[1] he has competed full-time in the 125cc World Championship for the following five years, starting out in 2007 where he failed to score points in all but one of the races.

He started 2013 riding for Ambrogio Racing aboard a Suter Honda but was released by the team mid season due to unsatisfactory results.

He left after a few rounds due to poor performances and later joined Collisions Recovery to ride their Kawasaki ZX-6R in the British Supersport Championship, he finished the season in 24th position overall.

He remained in the British Supersport class for 2015 but switched teams and motorcycles as he signed for Appleyard / Macadam & Doodson to ride a Yamaha YZF-R6.

Webb started competing for the German squad in 2016 at the Isle of Man TT as well as Macau Grand Prix and further road races.