heart rate data

Are you a well-trained endurance athlete? Do you know your resting heart rate, maximal heart rate, average weekly training hours, and – tough one here – age? If you’re reading this website, the answer to all four of those is probably “yes.” If you have a moment to spare, Stephen Seiler would like your help. Seiler is a longtime professor of sports science, currently at the University of Adger in Kristiansand, Norway. We’ve spoken with...