The 2011 Pan American Games recently concluded in Guadalajara, Mexico. There were 6,003 athletes from 42 teams from the Western Hemisphere competing. The Pan Am Games, held every 4 years, constitute the largest multi-sport competition outside of the Summer Olymnpics.
Although there was concern beforehand about security, given Mexico's ongoing drug cartel war, the
Pan Am Games went smoothly. Mexico's athletes did well, winning 42 gold medals when the goal had been to attain 24.
In the overall medal count, the top five teams were, in order of medals won, the U.S.A., Cuba, Brazil, Mexico and Canada.
You can read my Mexidata.info column on the Pan Am Games here.
So I looked at the results here of the men's 100, 200 and 400 meter races. The winners were:
I looked up the photo of each and every one of these individuals. With two exceptions, all the winners appear at first glance to be of West African stock.
Santos (400 meters silver) of the Dominican Republic looks mulatto. The Brazilian de Barros (200 meters bronze) is the one who looks the least black, but his racial appearance also depends on the particular photograph. My impression is that Bruno de Barros is mulatto.
My conclusion: Steve Sailer is right.