Track 2:
Spend 15-20min on your skill and acceleration warm up.  Work on new jumps, and starting at various points of the turn before your fav straight.  Warming up that slow/hard push, your mid rage speed, and your full speed efforts!
 
Finish with 1x4 gates to the first jump
You  will be doing half laps.  Ideally with a group of riders!  This session is focused more on the track itself!
 
You will be doing half laps on the track 
1x3-4 turn 1 through turn 3
1x3-4 turn 2 through your finishline
Try to keep rest at 5-7 min at the start, you can do 6-8 in the middle at 6-10 towards the end if needed!