does anybody use anything similar? i use the https://prommer.net/en/training/calculators/
I'm trying to learn some more free ones i can test out with my apple watch until i get a Garmin Smart Watch or something, i want to strength training and marathon/cycling
I'm trying to learn some more free ones i can test out with my apple watch until i get a Garmin Smart Watch or something, i want to strength training and marathon/cycling

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