EN Races in Prostějov - Grand Prix BM4X Prostějov 2023, which take place on April 8, 2023, have been added to the calendar. Furthermore, the MČR Pumptrack race has been moved, which will now take place on Sunday, September 17, 2023 due to Saturday's qualification for the Pumptrack World Championship. Administrativa BMX Race Calendar 2023 - Released 20/03/2023