If it comes easy, if it doesn't require extraordinary effort, you're not pushing hard enough. It's supposed to hurt like hell.
Ultramarathon Man: Confessions of an All-Night Runner (ed. Atlantic Books, 2017) - ISBN: 9781925575309
If it comes easy, if it doesn't require extraordinary effort, you're not pushing hard enough. It's supposed to hurt like hell.
Ultramarathon Man: Confessions of an All-Night Runner (ed. Atlantic Books, 2017) - ISBN: 9781925575309