Running Endurance: 10/8 & 10/12

RX4 X 500 mod:45 rest after each5 X 100m fast:30 rest after each4 X 400m mod:40 rest after each5 X 100m fast:30 rest after each4 X 300m mod:35 rest after each5 X 100m fast:30 rest after eachPerformance3 X 500 mod:45 rest after each5 X 100m fast:30 rest after each3 X 400m mod:40 rest after each5 X 100m fast:30 rest after each3 X 300m mod:35 rest after each5 X 100m fast:30 rest after eachFitness2 X 500 mod:45 rest after each3 X 100m fast:30 rest after each2 X 400m mod:40 rest after each3 X 100m fast:30 rest after each2 X 300m mod:35 rest after each3 X 100m fast:30 rest after each