The best choice if you're deep in the Apple ecosystem and want one watch for everything. Run tracking is solid enough for casual to intermediate runners, though battery life and GPS depth lag behind dedicated running watches.
If you're an iPhone user who runs a few times a week but also wants a full smartwatch experience, the Series 11 is the honest answer — just don't expect it to compete with Garmin on pure running features.
“Applewatch is fine for casual runs, but battery life and running-specific features don't match Coros or Garmin.”