The following insight shared by Jim Collins in his book good to Great illuminates us on the traits of a 20 MILE MARCH which is religiously practiced by top performers to achieve consistently great results.

The 20 Mile March is more than a philosophy.  It’s about having concrete, clear, intelligent, and rigorously pursued performance mechanisms that keep you on track.  The 20 Mile March creates two types of self-imposed discomfort: (1) the discomfort of unwavering commitment to high performance in difficult conditions, and (2) the discomfort of holding back in good conditions.

Adopted from Jim Collins’s book Good to Great

Thus 20 mile March is more than a philosophy that reminds us that for achieving great results we need to consistently push ourselves to move out of our comfort zones, day in and day out.