11 Differences Between Swimming and Gym Workouts That Impact Weight Loss

10. Tracking progress and data feedback: what you can measure easily

Tracking matters for motivation and course correction. Gyms and many cardio machines display calories, pace, and resistance; strength numbers are straightforward to record. That makes it easier to adjust energy expenditure and progressive overload for weight-loss goals. Wearable tech improves tracking in both settings, but pool validation differs by device.