You don’t have to run 4:30 pace to build mental toughness. You can build it at any pace. Usually what I find is a sustained effort will callous the mind.
Rob Conner (University of Portland)
You don’t have to run 4:30 pace to build mental toughness. You can build it at any pace. Usually what I find is a sustained effort will callous the mind.
Rob Conner (University of Portland)