Motorcycle Racing at the Anglesey Circuit, Ty Croes LL63 5TF. Event information: Thundersport GP1 Elite Thundersport GP1 Sportsman Thundersport GP1 Cup Thundersport 600 Elite Thundersport 600 Sportsman Pre-national Sport 600 Thundersport 600 Freshman Golden Era Superbikes Thundersport Superteens..... See more >