Real ChatGPT answer · index seedJ6wb6KxbWGUcompleteHealth and wellness · fitness and exercisecomparison

Is Zone 2 cardio actually better for building endurance than doing high intensity sprints every single time I go to the gym, and how do I calculate my heart rate zones?

ChatGPTgpt-61 query10/31/2026
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SEED QUERY
Is Zone 2 cardio actually better for building endurance than doing high intensity sprints every single time I go to the gym, and how do I calculate my heart rate zones?
1 real search · 1 real-search pass
Zone 2 training endurance aerobic adaptations high intensity interval training comparison evidence heart rate zones calculation maximum heart rate 220 ageGoogle ↗
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ChatGPT1 real searches · gpt-6
Zone 2 training endurance aerobic adaptations high intensity interval training comparison evidence heart rate zones calculation maximum heart rate 220 age Google ↗

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Zone 2 training endurance aerobic adaptations high intensity interval training comparison evidence heart rate zones calculation maximum heart rate 220 age
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