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Every year the American College of Sports Medicine publishes its survey of worldwide fitness trends for the coming year.

2025s trendshave just dropped, and its going to be another massive year for wearable technology.

Apple Watch Ultra 2 showing an outdoor walk workout alongside a trainer

So which trends are in, and which are out?

What are the mainstays of fitness for 2025, and whats new and exciting?

But not without issuing a warning, too.

Apple Watch SEries 10 activity monitor

ACSM warns more work is needed to improve concerns of validity, reliability, and data privacy.

The survey praised the flexibility of mobile training apps, especially for novice exercisers.

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