Workout:

 Ladder

1300m @ threshold pace (20-30 sec. slower than 5k pace/mile); 1:30 min. recovery jog

1k @ threshold pace (20-30 sec. slower than 5k pace / mile); 1:30 min. recovery jog

700m @  5k pace; 1:30 – 2min recovery jog

500m @ 5k pace; 1:30 -2min. recovery jog

300m @ faster than 5k pace; 2 min. recovery jog

100m@ stride pace;  3 min. jog recovery if you’re continuing on. 

Go UP THE LADDER, EVERY OTHER INTERVAL.

100m, 500m, 1k

 

**If you’re ending with the 100m stride, then make it 4 x 100m strides, 100m recovery.