Why not save this page and give one of these workouts a go on your hard day? Do your normal pre-workout warm-up of 1 to 3 miles. Run 3 to 4 miles continuous, starting at 30 seconds per mile slower ...

Chances are, you wear many shoes—not just running shoes ... or simply need a more manageable workout, 20-minute sessions can save the day. The best 20-minute run is the one that fits the ...

So, for a 20-minute run, you’d do 4 cycles; for a 30-minute workout, you’d complete 6. Within each cycle, incorporate run and walk intervals of your choice. For example: 1 minute of running ...