Here's the provisional list of some of the major UK motocross dates for 2023. ACU British championship Round 1 – 18-19 MarchRound 2 – 1-2 AprilRound 3 – 22-23 AprilRound 4 – 13-14 MayRound 5 – 27-28 MayRound 6 – 17-18 JuneRound 7 – 8-9 JulyRound 8 – 9-10 September (Reserve Date) –