Calculating HR Zones

Documents on methods in determining bike and run HR thresholds

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Determining Bike Threshold HR From Ave HR @ Varying Race Distances

Use THIS chart to determine Bike Threshold HR from Avg HR.

Determining Run Threshold HR From Ave HR @ Varying Race Distances

Use THIS chart to determine Run Threshold HR from Avg HR.

Methods For Determining Bike & Run Threshold HR

Click HERE to learn about the various methods used to determine threshold heart rate(s).