At least for soccer players, it comes down to a blend of two types of fitness – your base endurance, which comes from longer distance running, and your speed, which comes from sprint-based workouts. — Heather O’Reilly

Tags: #Soccer, #Endurance, #Distance, #HeatherOReilly, #American, #Athlete

Mini who’s who:

Heather O’Reilly : American Athlete
Born:  January 2, 1985