He was trained by Jez Hall and went on to win titles including National, British, International and World Championships.
Swaby retired from kickboxing at the age of 20, following the winning of his second world title in his home town of Lincoln.
Following several opponents Swaby went up against Mark Hobson in 2002 at Huddersfield Leisure Centre in Yorkshire, in the BBBofC British cruiserweight title eliminator where he lost on points after a 10-round fight.
After a year out of the boxing ring gaining the weight he fought his first heavyweight battle on 7 December 2007 in Germany against unbeaten Sebastian Koeber and went the full six rounds.
He fought for the British masters Heavy weight title against David Ingleby and won going the full 10 rounds.
On 12 September 2008, Swaby participated in the Prizefighter competition at the Metro Radio Arena, Newcastle, United Kingdom.