Gym 2 - Core/Plyos to be done before sprint 2
 
Dynamic warm up
Core:
Plank 3 sets of 60 second each
Alternate side toe touches - Left, Middle, Right 10 each or 30 total
 
Plyos:
Split stance Jump 5 each leg.  Reset each time, go as high as possible 3 sets
 
Standing tuck jumps, touch the ground as quickly as possible for 3 sets of 8 reps