He also suffered a knee injury which forced him to take time off from boxing but returned for the 2010 Zone 6 Championships in Johannesburg, where he won a gold medal.
Currently, the Central States Zone is the only one that has more than one Zone Championship meet (Age Group swimmers), and all four zones have multiple Sectional Championships (Senior swimmers).
In the years in between World Games CMAS holds Zone Championships (e.g. the 12th European Championship in Istanbul, Turkey in 2008).
As a member of Team USA, he won medals in five of six events at the Men's American Zone Championships contested in Guatemala in May, 2007.
Barnes won four gold medals at the American Zone Championships in Costa Rica in 1997.
The record attendance for the ground was 37,000 during the final of the British Zone Championship in which Hamburger SV beat FC St. Pauli 6-1.
The same year he also finished 4th in the North European Zone (NEZ) Championship in Rudskogen, Norway, racing in the same class.
FIBA no longer holds Under-21 World Championships and Under-20 Zone Championships, except in Europe.
Only repeat Women All Events Champion in the Asian Zone Championships (14 years apart)