Marathoning for Mortals: A Regular Person's Guide to the Joy of Running or Walking a Half-Marathon or Marathon

A common path to an ultra looks like this: You do a marathon and then begin to plan out a period of time, say a year, in which you will take logical stepping-stones up in distance, from 50K to 50 miles to 100K and ultimately to 100 miles.

• The Big Book of Endurance Training and Racing. • The Big Book of Health and Fitness. • 1:59 The Sub-Two-Hour Marathon Is Within Reach—Here’s How It Will Go Down, and What It Can Teach All Runners About Training and