![sprinter vs. marathoner - what too much cardio does to the body (thin, frail, no muscle) #fitness #sprinting #marath… | Female sprinter, Muscle women, Hiit training sprinter vs. marathoner - what too much cardio does to the body (thin, frail, no muscle) #fitness #sprinting #marath… | Female sprinter, Muscle women, Hiit training](https://i.pinimg.com/originals/70/fb/3b/70fb3bdcaa2e91e910e61f5505c972b4.png)
sprinter vs. marathoner - what too much cardio does to the body (thin, frail, no muscle) #fitness #sprinting #marath… | Female sprinter, Muscle women, Hiit training
![Marathon Runner vs Athletic Sprinter. | High intensity interval training, Anaerobic exercise, Interval training Marathon Runner vs Athletic Sprinter. | High intensity interval training, Anaerobic exercise, Interval training](https://i.pinimg.com/736x/bb/35/c5/bb35c559358909ae4d81adaeadb38d34--exercise-fitness-fitness-workouts.jpg)
Marathon Runner vs Athletic Sprinter. | High intensity interval training, Anaerobic exercise, Interval training
![Ryan | movestrength on Twitter: "Common side effects of marathon running and prolonged endurance activity • Physical exhaustion • Low testosterone levels • Cortisol addiction • Kidney damage • Inflammation Marathon Runner Ryan | movestrength on Twitter: "Common side effects of marathon running and prolonged endurance activity • Physical exhaustion • Low testosterone levels • Cortisol addiction • Kidney damage • Inflammation Marathon Runner](https://pbs.twimg.com/media/Et4rKRmWgAAp-H5.jpg)
Ryan | movestrength on Twitter: "Common side effects of marathon running and prolonged endurance activity • Physical exhaustion • Low testosterone levels • Cortisol addiction • Kidney damage • Inflammation Marathon Runner
![The Sprinter and the Marathoner: A Tale of Two Workout Routines | HIIT Academy | HIIT Workouts | HIIT Workouts For Men | HIIT Workouts For Women | HIIT Training The Sprinter and the Marathoner: A Tale of Two Workout Routines | HIIT Academy | HIIT Workouts | HIIT Workouts For Men | HIIT Workouts For Women | HIIT Training](https://hiitacademy.com/wp-content/uploads/2015/02/Marathon-vs-Sprint-300x183.jpg)