World Records in Half-Marathon Running by Sex and Age The relationship between age and marathon time is already very well examined. However, more people worldwide run a half marathon and we know practically nothing about the relationship between age and best performance in the half marathon. We have therefore studied the age histores in the half marathon in 1-year intervals. It showed that records were set up between 5 and 93 years. The fastest time the women run around 24 years, about 4 years earlier in life than men who achieve their fastest time with around 28 years.
And with increasing age, the difference in performance between man and woman increases more and more. The whole evaluation can be found under https://pubmed.ncbi.nlm.nih.gov/29431565/