The Apple Watch couldn't give me other data that would be necessary to help me improve so I ditched it for the Garmin epix Pro (Gen 2).
I used the Garmin epix Pro to train for Spartan Trifecta Weekend - GadgetMatch
Garmin Epix Pro (Gen 2) review: overwhelmingly good
Garmin Epix Pro (Gen 2) review: overwhelmingly good
Road Trail Run: Garmin Epix Pro (Gen 2) Review - 51 mm Sapphire DLC Titanium Edition
Garmin Epix Pro (Gen 2) review: It's worth the money
Garmin epix Pro (Gen 2) review - GadgetMatch
Garmin epix Pro (Gen 2) review - GadgetMatch
Watch Review: Garmin Epix Gen 2 Pro Higher-End Fitness Smartwatch
Garmin Epix Pro Gen 2 Sapphire Edition 51mm on Small Wrist
Garmin Archives - GadgetMatch
Garmin Epix PRO Gen 2 vs. Fenix 7 PRO / NEW FEATURES REVIEW: Flashlight, Maps and More!