Running to extremes: High-endurance exercise OK for heart health
Do Long distance Runners have higher risk of heart attack?
Distance running is dangerous
The Dark Side of Ultra Marathons No One Talks About
Heart health benefits of marathons - Dr. Sara Filmalter
Are Long Runs Bad for Your Health?
RUNNING FASTER - Secret to Running with a Low Heart Rate
My First 50K Race Training for an Ultra Marathon! EP.6
Run for your life! At a comfortable pace, and not too far: James O'Keefe at TEDxUMKC
Are Ultra Marathons Bad for You?
What happens AFTER an ultra marathon - How to Maximize Recovery after a race
Runners and Heart Health
What is an Ultra Marathon?
The Secret to Running with a LOW HEART RATE (Not What You Think!)
Zone training for Runners | Is Threshold running the best?
I Tried Zone 2 Training for 3 Months. This Happened
The Dark side of ultra marathons - Death By Mass Popularity?
How To Pace For Your first Ultra Marathon - Is the run walk run method bad?
Marathon Runners Life Expectancy
How to Run Fast at a Low Heart Rate