9:41

Deep Dive

Zone Analysis

Training Zones

ZONE 1

Recovery

100 - 124

ZONE 2

Fat Oxidation

BEST FUEL MIX

125 - 144

ZONE 3

Aerobic / Tempo

145 - 157

ZONE 4

Threshold (VT2)

158 - 170

ZONE 5

VO2max / Peak

171 - 185 bpm

Calibration Insight

Wearable Estimate:138 bpm
Cortex Lab Precision:144 bpm

Your Apple Watch underestimates your Zone 2 by 6 bpm. Sync now to correct your training load.

Fuel Efficiency Breakdown

Fuel Efficiency (ZONE 3)

55%
Fatty Acids55%
Carbohydrates45%

Fuel Efficiency (ZONE 2)

72%
Fatty Acids72%
Carbohydrates28%

Fuel Efficiency (ZONE 1)

85%
Fatty Acids85%
Carbohydrates15%

Für dich empfohlen

Basierend auf deinem VO2max von 47.0

VO2max Ceiling

Norwegian 4x4 Intervals

45 min
Zone 5
Trainiere wie Real Madrid

Integrated into pre-season endurance protocol

4 minutes at 90-95% max HR, followed by 3 minutes active recovery (Zone 1/2). Repeat 4 times.

Increases stroke volume and maximal oxygen uptake efficiently.
Erwartete Verbesserung: +2-4 ml/kg/min over 12 weeks
Aerobic Base

Polarized Zone 2 Foundation

60-90 min
Zone 2
Trainiere wie FC Barcelona

Core of their periodized training model

60-90 minutes steady-state training at 60-70% max HR. Focus on nasal breathing.

Builds mitochondrial density and fat oxidation capacity.
Erwartete Verbesserung: +1-2 ml/kg/min over 8 weeks
Lactate Clearance

Threshold Sweet Spot

60 min
Zone 3-4
Trainiere wie Bayern Munich

Performance protocol for matchday readiness

Alternating 2 mins slightly above VT2 and 2 mins slightly below VT2.

Improves your body's ability to buffer and clear lactate at high intensities.
Erwartete Verbesserung: +1-3 ml/kg/min over 10 weeks