Every Masters athlete I know likes to compare their result with a “what-if” scenario, based on the current world record.  That “what-if” is the famous age grade calculators. For example, if I run 58 sec for 400m at age 55, that’s “equivalent” to a 49.03 based on the age grade calculator. I don’t know about … Continue reading Age-grading Calculator for Track, Weights, and Body Weight Endurance