With the help of a panel of trainers, strength and conditioning coaches, performance experts, pro athlete coaches and more, SI’s editors set out to answer the question: Who are the fittest athletes in all of sports? Athletes were assessed based on characteristics that define fitness and conditioning: strength, speed, endurance, agility, flexibility and skill in his or her respective sport.
owner of Total Athletic PerformanceCourtesy of Derek Touchette
Pro athlete trainer and founder of DeFranco’s GymCourtsy of Joe DeFranco
Multi event coach,
Oregon Track Club
Director of center of excellence for sport science, East Tennessee State UniversityCourtesy of Meg Stone
EXOS Director of PerformanceCourtesy of Jennifer Noiles
former olympian and tv analystCourtesy of CTolleRun.com