Strain Score (0-21)
Cardiovascular strain accumulated through the day, scaled to your max HR and HRV baseline. Real-time during workout, summed nightly.
§ 01 · The performance stack
Six numbers. Each one you can move.
Wellex measures the same physiology Whoop, Polar, and Garmin watches measure — and rolls it into one daily decision. Strain too high yesterday → today is recovery. Load deficit → today is push. No graph-staring required.
Training Load (7d / 28d)
Acute vs chronic load ratio. Wellex flags the green zone (1.0-1.3) so you avoid the injury cliff.
Recovery (0-100)
Overnight HRV + sleep quality + resting HR + skin temp. Wakes you up with one decision: push, hold, or recover.
Live HR Zones (Z1-Z5)
Real-time during workouts. Per-second heart-rate sampled at 120Hz, broadcast to Strava/Zwift/TrainingPeaks via BLE.
VO₂max trend
Sub-maximal estimation refreshed every 7 days. Track the curve across a season.
Workout auto-detect
Run, ride, swim, lift, climb, row — auto-detected and tagged with HR zones, calories, and route. No 'did you forget to start' regret.
§ 02 · Where your data goes
Strava. TrainingPeaks. Apple Health. Google Fit. Garmin Connect.
Wellex auto-syncs every night to the platforms you already use. Coaches see your strain. Strava sees your runs. Apple Health sees your sleep. One band, every ecosystem.
- StStrava
- TrTrainingPeaks
- ApApple Health
- GoGoogle Fit
- GaGarmin Connect
- ZwZwift
- FiFinal Surge
- KoKomoot
§ 03 · A week with Wellex Performance
One band. A coach who watches in the background.
Each morning the band tells you the day's strain target. Each evening it shows the strain you actually accumulated, your recovery delta, and the projected target for tomorrow.
Day
Target
Actual
Note
MON
Strain 12 · Recovery push
Strain 13.4
Slightly over — interval session went long
TUE
Strain 7 · Active recovery
Strain 6.8
Easy ride, perfect
WED
Strain 16 · Threshold work
Strain 16.1
On target — VO₂ block
THU
Strain 9 · Aerobic
Strain 9.5
Bike commute counted
FRI
Strain 5 · Recover
Strain 4.8
Walk + mobility
SAT
Strain 18 · Long ride
Strain 18.7
100km / 1200m climb
SUN
Strain 6 · Easy
Strain 6.1
Recovery 84 → ready Mon
§ 04 · Athletes who train with it
“Switched from Whoop after 4 years. The 14-day battery means I never miss a night. The recovery score got me to my first sub-2:50 — strain target on tempo days kept me from over-cooking.”
M
M.K.
Marathon · 2:48 PR · WVI 82 baseline
“I wear Wellex through the WOD without thinking. No screen to glance at, no battery anxiety. The auto-detect catches every metcon and the strain score makes my coach's job easier.”
J
J.R.
CrossFit · Regionals 2024 · WVI 78 baseline
Train smarter, not louder