Marathon!
Certainly Jeff Galloway has both the knowledge and the physical ability to speak from experience.  His book is an outstanding contribution to competitive running.  --Kenneth H. Cooper, M.D.Jeff Galloway is one of those rare individuals who not only knows his craft, but also has the ability to convey this knowledge through teaching.  --Frank ShorterJeff Galloway is perhaps the one individual in the American running community who can combine a superior knowlege of our sport with the hightest level of achievement - making the Olympic team.  --Bill Rodgers