I will cut to the point. I am an ultra-runner, I have ran 4 50k's with my eyes set on 100,200 and maybe even 300 mile races +. The thing is, I will be running a relatively slow pace for myself uphill or even a quicker than usual pace and get extremely out of breath.
I did some digging into things with Dr. Grok, and found out my issue is my respiratory threshold, not to ...
I did some digging into things with Dr. Grok, and found out my issue is my respiratory threshold, not to ...