Build smarter swim workouts.
Track race pace. Train with AI.
Athylos turns your goal time into personalized swim workouts, sends them to your Apple Watch, and shows you exactly how your race pace is trending.
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AI Workout Generation
Tell Athylos your goal event, best time, and target time. It builds workouts designed to close the gap — tuned to your training shape and equipment.
Ship to Watch
One tap sends your workout to your Apple Watch. Swim it rep by rep with live times — no laminated sheets, no memorizing sets.
Race-Pace Analytics
Fastest splits, stroke trends, top-end speed by stroke, and coaching feedback after every swim — pulled straight from your watch and Apple Health.
Privacy First
Your health data powers your analytics, nothing else. Sharing anonymized data is opt-in, and your data is never sold or used for ads.
How it works
Set your goal
Pick your event, enter your best time and your goal time.
Generate
Athylos builds a workout around your race pace and training shape.
Swim it
Ship it to your watch and execute rep by rep, with live times in the water.
See the trend
Splits, stroke data, and pace trends land in your analytics after every swim.