I raced a half marathon with the Apple Watch Ultra 4 vs Apple Watch Series 12 to test accuracy — here’s what happened

The Apple Watch Ultra 4 and Apple Watch Series 12 both demonstrated high GPS and heart rate accuracy during a challenging half marathon, though each excelled in different areas. Additionally, Apple has introduced a new dynamic step count widget for the Apple Watch. Users can now monitor their daily steps more effectively by following a simple five-step process to add this specific widget to their device, allowing for constant tracking of their activity levels throughout the day.