Coaching that actually knows your training
Not a generic PDF plan. Kaern reads your history, tracks your load, and helps you make the right call — even when things don’t go to plan.
Connect your sources, set your races, and get the exact session to do given your goal and form.
Features
Everything to progress without losing your way
Connect your data
Sync Polar or Strava, or import FIT files. Kaern builds a clear picture of your volume, elevation, and habits — so you can decide, not stare at charts.
- Polar (live)
- Strava (live)
- FIT import
- Laps, splits, and best efforts on every activity
- Garmin, Coros, Suunto — tell us to get notified

Race goals
Describe your next race — or let Kaern find it for you. Kaern organizes your season with peak, key, and prep priorities — so every week has a purpose.
- Race search through the coach
- Major / secondary priorities
- Date and distance
- Season organization
- Clear heading for the plan

Daily coach
Fatigue, moved long runs, race readiness, a goal that changes — a clear answer grounded in your metrics and active goals. No more morning doubt.
- Today's recommendation
- Fatigue-aware advice
- Recap after every session
- Edit your goals by chatting
- Natural language questions
- Grounded in your data

Adaptive plans
Structured training built from your profile, availability, and goal — adjusting mid-week when life decides otherwise, and following you into your calendar.
- Structured plan
- Weekly adjustments
- Target pace on every session
- Weekly progress at a glance
- Completed sessions auto-linked
- Calendar sync (Google, Apple, Outlook)
- Key sessions protected
- Sustainable progress
