Complex sentence: He competed at the 2016 Summer Olympics in Rio de Janeiro, in the men's 68 kg, where he won the gold medal, Jordan's first ever gold Olympic medal and first Olympic medal of any kind.
Split into simpler sentences: He competed at the 2016 Summer Olympics in Rio de Janeiro, in the men's 68 kg, where he won the gold medal. This was Jordan's first ever gold Olympic medal of any kind.