[4] Havelock showed his potential early in his speedway career, winning the Suffolk Open Championship at Mildenhall as a 16-year-old in 1984, only two weeks after qualifying for a licence.

[9] Havelock, the first British World Champion since Michael Lee in 1980, finished three points clear of 1990 World Champion Per Jonsson of Sweden, and four in front of Dane Gert Handberg[10] Havelock won the Premier League Riders Championship at Odsal Stadium on 14 October 1995[11] but missed most of the 1996 season after seriously injuring his back whilst representing England in a test match against Australia at Poole in July.

[16] Havelock was banned for the entire 1989 season after he tested positive for cannabis at the British League Riders' Championship meeting in 1988.

[12] At the 2007 BSPA Annual General Meeting, Great Britain team manager Neil Middleditch announced that he would be "happy to continue" in the position but recommended that Havelock should be his successor once he has retired from racing, stating "he would take to it like a duck to water".

[17] Havelock appeared in the Sky TV football show Premier League All Stars in 2007, representing eventual winners Middlesbrough F.C.