Notes
2-3M warm-up, then 2 sets of 8 x 400m, with 400m jog recoveries and 5-6 mins between sets, then 2-3M cool-down
Training Plan Entry
Interval
14 mi
2-3M warm-up, then 2 sets of 8 x 400m, with 400m jog recoveries and 5-6 mins between sets, then 2-3M cool-down