Episode 133 Is My VO₂ Max bigger than yours?

In episode 133 of Running Partners, Paul and Alison dive into the topic of VO2max suggested by listener Mark Ansell. They start with a personal catch-up, sharing recent running experiences, including preparation for an ultra marathon and participating in local races. The discussion then transitions to VO2max, defining it as the maximum amount of oxygen the body can utilize during intense exercise, measured in milliliters of oxygen per kilogram per minute.

Paul explains the importance of VO2max in assessing fitness levels, particularly its variations based on heart rate and fitness levels. They discuss various ways to estimate VO2max, including fitness watches, online calculators, and the Cooper test, emphasizing that while VO2max can be influenced by training, a significant portion is genetic. Despite these limitations, improvement is still achievable through structured training like interval workouts and tempo runs.

The conversation highlights the real-world implications of VO2max for recreational runners, the role of different factors like running economy, lactate threshold, and psychology, and encourages listeners not to fixate on watch scores but to focus on training consistency. They wrap up by inviting listener feedback on VO2max calculators and lab testing experiences.