Adam Harrington

Cardiorespiratory fitness is one of the strongest predictors of how long — and how well — you'll live. The good news: it's measurable, and it's trainable, at any age. Somewhere after 40, the conversation quietly changes. It stops being only about a personal best and starts being about the next 40 years: staying strong, staying sharp, staying independent, doing the things you love without your body writing cheques it can't cash. That's not lifespan. That's healthspan — the years you live in...

Build an adaptive endurance plan by assessing fitness (VO2 Max), setting flexible race goals, using training zones, periodization, polarized training, and strength work to optimize performance and prevent injury.

Create an adaptive endurance plan by establishing a fitness baseline via VO2 Max and metabolic tests, setting heart rate zones, using polarized training, monitoring recovery, integrating strength work, and preventing injury.