garmin training readiness — Wearable Metrics Explained
Training readiness scores — like Garmin’s — try to answer one question: should you go hard or take it easy today? The metric blends heart rate variability, sleep quality, recovery time, and recent strain into a single number. Relying on just resting heart rate or last night’s sleep duration misses the bigger picture. Dorsi does something similar for strength training: it adapts load and volume based on how your body responds in real time. But to understand why composite metrics matter more than any single wearable number, it helps to look under the hood at what training readiness actually measures and how it’s calculated.
Practical Playbook
Check Your Training Readiness Score
Open the training readiness widget on your Garmin watch or Connect app. This score combines sleep, HRV, recovery time, and acute load. A score above 70 means you're good for a hard session; below 30 suggests rest or easy movement. Use it as a guide, not a command—your body knows best.
Evaluate Sleep and Recovery Metrics
Sleep score and HRV status heavily influence readiness. Garmin tracks light, deep, and REM sleep. If your sleep score drops under 80 and HRV is low, readiness often tanks. Don't ignore these numbers—they reflect real physiological states. Poor sleep plus low readiness is a clear sign to take it easy.
Compare Acute Load vs. Chronic Load
Training readiness factors in your 7-day load (acute) versus 28-day load (chronic). A spike in acute load relative to chronic drops readiness. Check the ratio on the widget: 1.0-1.3 is ideal. Above 1.5 suggests backing off. This prevents overtraining and helps balance effort.
Use Readiness to Set Workout Intensity
Rather than following a rigid plan, let readiness dictate intensity. High readiness? Go for tempo runs or threshold intervals. Low readiness? Swap to zone 2 or a rest day. This adapts to your body's current state, cutting injury risk and improving long-term gains.
Track Readiness Trends Over Days
Don't overreact to a single day's score. A two-week downward trend in readiness despite good sleep might indicate overreaching. Garmin's color-coded history helps spot these patterns. Adjust nutrition or schedule a deload week. Some athletes notice readiness dipping before sickness hits.
Common Mistakes
- Mistake
- Thinking Training Readiness is the same as Body Battery.
- Why
- They rely on different inputs—readiness factors in sleep, HRV, stress, and acute load, while Body Battery uses heart rate and activity. Confusing them can throw off recovery judgments.
- Fix
- Check each metric's definition: use readiness for training decisions and Body Battery for daily energy. Look at the factors Garmin lists under readiness.
- Mistake
- Ignoring the sleep score when readiness is low.
- Why
- Sleep quality is a major component of readiness, so a low sleep score often explains a low readiness number. Focusing only on HRV misses the real cause.
- Fix
- When readiness dips, open the sleep details. If sleep was poor, prioritize rest or a nap instead of questioning the metric.
- Mistake
- Taking the readiness number at face value without considering how you feel.
- Why
- Garmin's algorithm can't account for stress, illness, or caffeine. Blindly following the number may lead to overtraining when you should rest, or skipping workouts when you're fine.
- Fix
- Rate your perceived energy and muscle soreness each morning. If readiness says 'low' but you feel recovered, proceed with an easy workout. If it says 'high' but you're dragging, take it easy.
- Mistake
- Only checking readiness right before a workout and ignoring the trend.
- Why
- A single readiness score can be thrown off by a restless night or morning coffee. The trend over 3–7 days is more reliable for spotting recovery patterns.
- Fix
- Open the readiness trend chart in Garmin Connect. If the line has been dropping for three days, that's a signal to back off. If it's stable or rising, trust your plan.
Frequently asked questions
Just show up. Dorsi handles the rest.
- HRV-driven readiness — today's plan adapts to how recovered you actually are.
- Adapts every session — no decision fatigue, no second-guessing your numbers.
- Apple Watch native — log a set with your wrist, not your phone.