[1] At the 2004 Summer Olympics, held in Athens, Hoy competed in the three-day eventing competition, both as an individual rider and as part of the German team.

However, the British, French and American teams subsequently appealed to the Court of Arbitration for Sports (CAS), arguing that the FEI was wrong to remove Hoy's time penalties from her final result.

[2] Bettina and her husband Andrew Hoy, who competes at the Olympic level for Australia, lived for 12 years in Gloucestershire, at the Gatcombe Park estate of The Princess Royal.

In January 2009, the couple moved to the DOKR (Deutsches Olympia Kommitee für Reiterei) in Warendorf, Germany.

In June 2010 Andrew Hoy moved to Farley Estate in the UK, and then to his current base in Wiltshire.