Subtracting that from his chronological age of 53 by the end of the competition yielded an estimated biological age of 30.9. He was 20.6 years old chronologically by the end of the competition, which means his biological age was only 0.5 years. 2nd-place finisher Zdenek Sipek relies on consistencyZdenek Sipek also reversed his biological age by more than two decades. His diet, for example, is one of the first places he starts when targeting biomarkers across the board to try to lower his biological age. Read the original article on Business InsiderThe post Top longevity competitors lowered their estimated biological age scores by a combined 62 years.