If you are new to endurance sports you may have never heard of intervals but I’ll bet you have. Maybe, however, you think that all there is to intervals is burying yourself for a minute or two, recovering, and then doing it over and over and over, until you pass out or the police are … Continue reading "Cognition Intervals: They’re a thing. Iron Will Rogers? Well, he is a thing too & Derek Duval? Maybe more of a machine."