Science of Running

You don’t need a professional athlete’s schedule to train well. But you do need to stop pretending you can fit everything in. Steve and Jon explain how time-starved athletes can identify what matters, shift priorities across seasons, protect what keeps them in the sport, and resist shortcuts promising four years of adaptation in four weeks.…

Training is only the input. Adaptation is the goal. Steve and Jon explore why the same workout can transform one athlete and bury another and how stress, recovery, nutrition, individual differences, and the messy reality of working with human beings determine what actually sticks. Do us a favor, fill out this coaching survey to help…

Steve Magness and John Marcus rant about the “recovery industrial complex,” arguing that while recovery knowledge has improved, monetized gadgets can waste money, create psychological fragility, and give a false sense of control—especially as aging brings non-negotiable limits. They emphasize prioritizing foundational recovery: consistent good sleep (the key “canary”), adequate fueling and hydration, and managing…

Steve Magness and Jonathan Marcus discuss an updated approach to summer base building that keeps aerobic mileage as the foundation but adds “spices” year-round to prepare athletes for race demands. Instead of a reductionist focus on aerobic capacity alone, they emphasize integrating neural coordination, mechanical efficiency, and structural tissue resilience to reduce injury risk and…

Steve Magness and Jonathan Marcus discuss the art and science of delayed training effects, arguing that training adaptations are non-linear, hard to quantify, and often misunderstood as quick “return on investment.” They contrast complicated vs complex systems, noting hidden variables and individual response rates that make simple timelines unreliable. Using examples from elite runners, David…