🏃♂️Norwegian athletes train close to threshold pace to accumulate volume and focus on easy running.
⏱️The Norwegian 4x4 workout is a 4x4 protocol designed to increase VO2max and improve running performance.
🔥Start with 2-3 intervals and gradually increase to 4x4 minutes to build stamina and endurance.
💪VO2max is not the sole contributor to performance, but it is correlated with higher fitness levels.
📅The Norwegian 4x4 workout is best placed in the support phase of your training.