Gareth is a member of British World Class Podium Squad with numerous Nation Cup wins. He competed and medaled at the 2014 World Equestrian Games (Team Silver), the 2022 World Equestrian Games (Team Silver), the 2013 and 2019 (team Bronze) , 2021 European Dressage Championships (Team Silver). Gareth also attended the 2021 Olympic Games in Tokyo, Japan as the Team GBR reserve.