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What does THRR stand for?

THRR stands for Training Heart Rate Range

This definition appears very rarely

Other Resources: Acronym Finder has 1 verified definitions for THRR

Samples in periodicals archive:

Calculate Your Training Heart Rate Range. Subtract your age from 220. (Example for a 28-year-old: 220 - 28 = 192.) Multiply the result by 0.55 to determine 55 percent...