https://www.youtube.com/watch?v=0EpYOWZlDEo
Decades into his celebrated career, Dean Karnazes faces the challenges of age and training for The Next 50.
https://www.youtube.com/watch?v=0EpYOWZlDEo
Decades into his celebrated career, Dean Karnazes faces the challenges of age and training for The Next 50.