First, the top 20 women and top 16 men in each individual event are selected. After that, members of the top 20 women’s and top 16 men’s relays receive invites. If the maximum invite of 319 ...
The men’s time standards changed significantly more than did the women’s. All in all they are about 1% faster for 2016 than they were in 2012, and in some cases they are quite a bit faster ...