Your numbers, before you commit to anything.
These run the same equations the product does. No account, no email wall, no catch — if the maths is any good, it should be good in public.
Threshold pace calculatorThe pace your threshold sessions should be run at, from a recent race or hard effort.Open the calculator →Race time predictorWhat your recent running says you can run, from 5k to the marathon.Open the calculator →Heart rate zone calculatorYour five zones from your own maximum and resting rates — the model your watch uses.Open the calculator →
These are the numbers Structur runs on.
Inside the product they stay current on their own, from every session you run, rather than from a calculator you remember to come back to.
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