Comparison of 2016 Olympic medal winners

The data set is available on Kaggle.

Introduction - some basic olympic stats

total number of athletes = 11538
male = 6333, 206 unique nationalities
female = 5205, 202 unique nationalities

984 men (77 unique nationalities) won at least one medal (15.5%)
873 women (66 unique nationalities) won at least one medal (16.8%)

If you want to win multiple medals then the best sport catagories are:
aquatics: 5 male and 8 female athletes won 3 or more medals
athletics: 2 male and 3 female athletes won 3 or more medals
gymnastics: 2 male and 3 female athletes won 3 or more medals

5 Countries sent an all male team:
Nauru, Monaco, Iraq, Tuvalu, Vanuatu

1 Country sent an all female team:
Bhutan

Compare average ages of medal winners and non-medal winners per sport catagory

aquatics:

mean age of male non-medal winners -- 24.0
mean age of male medal winners ------ 25.3

mean age of female non-medal winners - 22.5 
mean age of female medal winners ----- 23.7

athletics:

mean age of male non-medal winners --- 26.5
mean age of male medal winners ------- 26.2

mean age of female non-medal winners - 26.2
mean age of female medal winners ----- 26.7

gymnastics:

mean age of male non-medal winners --- 24.9
mean age of male medal winners ------- 24.1

mean age of female non-medal winners - 20.8
mean age of female medal winners ----- 20.6

In summary
There are differences in the average age of winners and losers between male and female versions of sports and between different sports. The youngest winners (on average) for the three sport catagories are female gymnasts. The oldset are female athletes. Athletics shows the least difference between ages of male and female athletes, gynastics shows the biggest difference.