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80/20 Calculator
Matt Fitzgerald's 80/20 Running — pace zones and heart rate zones from a recent race performance.
Race Distance
5000m / 5k
10000m / 10k
Half Marathon
Marathon
Race Time
Calculate Zones
Race Information
Distance
Pace/km
VT1 Pace
VT2 Pace
Pace Zones
Zone
Description
Pace Range
Heart Rate Zones (% of Max HR)
Zone
Description
% of Max HR