Roll in starts for your BMX. Sprinting training are a huge essential piece. You have to be doing these if you’re doing sprints for Bmx training the idea here is to target the pedals like you would experience on the BMX track coming out of a corner watch the video for instructions, but basically you roll up to your start line at 50% speed, and then sprint from there visualize yourself going through the corner and then getting on the pedals, digging the pedals into the next straightaway.