British Cycling Power Zone Calculator
Calculate power zones using British Cycling's methodology including Sweet Spot training zone.
About British Cycling Zones
British Cycling's power zone system includes a dedicated 'Sweet Spot' zone between Tempo and Threshold, representing 88-93% of FTP. This zone provides significant training stimulus with manageable fatigue, making it popular for time-crunched athletes.
Auto-Calculate from Your Data
Upload Strava, Garmin, or Intervals.icu exports to estimate your zones
Strava vs Garmin vs TrainingPeaks: Zone Differences
Different platforms calculate training zones differently. Here's what each expects:
Uses simple % of max HR. Zones are fixed percentages. Cannot customize.
Supports both %Max HR and %HRR (Heart Rate Reserve). Fully customizable zones.
Uses LTHR-based zones. Supports pace, HR, and power. Highly customizable.
Uses either method. Includes sport profiles with different zone settings.