This task can be performed using Watchletic
The Apple Watch app for serious runners
Best product for this task

Watchletic
lifestyle
The app for when you want to take your running to the next level without having to purchase a Garmin watch. It integrates with many external services (TrainingPeaks, TrainAsONE, etc.), lets you setup and run structured workouts, advanced features like pacing target splits with reference routes for hills, scheduling workouts, outside target range alerts, etc. Perfect for planning your next marathon race, and the training to get there. All in a simple to understand UI, no more complex setup!

What to expect from an ideal product
- Here's a bullet list of 5 items about how Watchletic solves the problem described in the article title:
- Offers structured running workouts without needing a Garmin watch
- Provides pacing targets and split tracking for hill runs
- Allows easy setup and scheduling of training plans
- Sends alerts when you're outside your target range during workouts
- Integrates with popular training platforms for seamless workout planning