Free tools
Free training calculators
Pace, FTP zones, race-time predictions, heart-rate zones and taper planning. Use them without an account — then turn the numbers into an AI training plan.
Pace Calculator
Distance + time → pace, speed and splits. Reverse mode included.
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Race Time Predictor
One recent result → equivalent 5K, 10K, half and marathon times.
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FTP / Power Zones
FTP in watts → Coggan’s 7 cycling power zones.
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Heart-Rate Zones
LTHR or max HR → 5 training zones for run and bike.
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Taper Planner
Current volume + days to race → a 1–3 week taper that keeps intensity.
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