App Factory › PaceLab › Support
Pace, splits and race predictions for runners
PaceLab uses the Riegel formula, which scales a known result to another distance with an endurance exponent. It is an estimate, not a promise.
No. PaceLab does not use GPS, motion data or any sensors — it only does arithmetic on numbers you type.
No. The heart-rate zones are the standard percentage bands and are offered for reference only.
Email ivan@kyo.ai with the device and app version and you will get a reply within a couple of days.