Based in Cheshire, Polly is a member of the British World Class Performance squad and has represented her country at Young Rider and Senior level.

Her most recent notable results include 6th place at Badminton 2008 with Anne Henson's Tom Quigley, the horse she also rode into second place at Burghley in 2007.

In the same year, she also finished second at Bramham with Arthur Comyn's Westwood Joker and was runner-up in the Invesco Premier League.