In 1997, Bigwood became the youngest British rider to be selected for a Senior European Championships. In the same year, she won the British National Elementary title with Afrikka and was shortlisted for the 1998 World Equestrian Games. Afterwards, she competed at the 2010 World Equestrian Games and at four European Dressage Championships (in 1999, 2005, 2007 and 2015). In 2014, she suffered a concussion after a fall while riding. As a result of her injury, Bigwood experiences double vision which means that she wears an eye patch while riding.