*ALL NATIONALS ARE 3 DAYS*. FRIDAY WORLDS. USA BMX Winter Nationals Day Three! Live from Black Mountain BMX in Phoenix, AZ! Kentuckyy Kev and. USA BMX / BMX CANADA - Worlds largest BMX racing organization Black Mountain BMX, Chandler BMX, Colorado River BMX, Goodyear BMX Raceway. Reno, NV. Reno Livestock & Events Center. Reno, Nevada USA. 21 Oct Japan. Tehachapi USA. . July Mid USA BMX NATIONAL SCHEDULE. USA BMX Blackjack Nationals. 09 Jul UCI BMX Freestyle USA BMX Freestyle National Series Finals. After 12 years and 20 consecutive National events, the USA BMX National Series will bid farewell to the South Point Hotel and Casino. The Black Jack Nationals.