Only one gold short of topping the table Jamaica just missed topping the medal table at the World Athletics Under-20 Championships for the first time after the United States won the men's 4x400m r.
The Jamaican women’s 4x100m relay team smashed their own Under-20 world record to defend their gold medal at the World Under-20 Athletics Championships in Cali, Colombia on Friday.
The team of Serena .