She was also the grand-niece of Field Marshal Douglas Haig, commander of the British Expeditionary Force (BEF) on the Western Front from 1915 to 1919.

[5] This car was destroyed in a fire, and Haig earned money towards the cost of its replacement, an Austin 7 Sports, by selling her story to the press at £10 each.

[1] The same year that she purchased the Austin, she first did a lap at Brooklands in her boyfriend Denis Sprague's Talbot 8 car.

[4] In the early 1930s (the year is reported to have been either 1930 or 1933), Betty crashed her Morgan Super Sport on the Kingston bypass, killing passenger Molly Watkins.

Haig's first appearance at an event held on a racing track was in 1935 at the JCC High Speed Trials, where she drove her Aston Martin.

[9] Beginning in the late 1940s, Haig worked as a journalist, authoring articles and race reports for popular magazine Motor Sport.

[7] She won the National Ladies Hillclimb Championship two years running in 1960 and 1961 in a Coventry-Climax powered Lotus Seven.

[7] In 1966 Haig and photographer Guy Griffiths established the Historic Sports Car Club (HSCC).

[4] The list included both road cars and purpose-built racers, with representatives from marques like A.B.C., A.C. Cars, Alvis, Aston Martin, Austin, Austin-Healy, BMW, Bugatti, Cooper, Elva, Frazer Nash, H.R.G., Healey, Jaguar, Lotus, MG, Morgan, Morris, Salmson, Singer, Triumph, and Turner, among others.