Boost VO2 - Norwegian 4x4

Boost your VO2 max and running performance with the Norwegian 4x4 interval training method. WHAT IS 4X4 TRAINING? The Norwegian 4x4 method consists of 4-minute high-intensity intervals followed by 3-minute recovery periods, repeated 4 times. This training protocol has been extensively researched and proven to significantly improve VO2 max and aerobic capacity. KEY FEATURES: Personalized Training Plans Create custom 4x4 training programs based on your fitness level Choose from 4-8 week plans with 1-4 workouts per week Get estimated VO2 max improvements for your specific plan Guided Workout Experience Audio coaching with clear interval timing and instructions Visual cues and haptic feedback during workouts Automatic phase transitions (warmup, intervals, recovery, cooldown) Voice coach selection for personalized motivation PERFECT FOR: Runners looking to improve aerobic capacity Athletes training for endurance events Fitness enthusiasts wanting to boost VO2 max Anyone following the Norwegian 4x4 method WHY CHOOSE BOOST VO2? Unlike generic interval training apps, Boost VO2 is specifically designed for the Norwegian 4x4 protocol. Our app provides the exact timing, structure, and guidance needed to maximize your VO2 max improvements through this proven training method. Start your journey to better aerobic fitness today with Boost VO2 - the ultimate 4x4 interval training companion.