Thank Fitness It’s Friday: Why the slowest training is becoming the smartest training

In a world addicted to high-intensity workouts and fast results, the biggest fitness trend of 2024–2025 arrived quietly: Zone 2 training. It’s slow, steady and surprisingly transformative, with studies showing major boosts in fat metabolism, endurance and cardiometabolic health.

Hosts Dan Koh and Neil Humphreys explore how Zone 2 works, why hybrid athletes swear by it, and how listeners can start using this “easy zone” immediately.

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