Paul, who had Trinidad and Tobago's only gold at the 2019 Pan Am Games in Lima, successfully defended his title beating training partner Jair Tjon En Fa of Suriname in two consecutive races in the best-of-three final.
Mexico had a productive day picking up four gold medals to leap frog Canada and move back into second on the table.
The Mexicans continued their domination of the modern pentathlon winning the women's relay event to claim their fourth gold medal of the competition.
There were also gold medals taken in the racquetball women's team event while Alejandra Zavala topped the podium in the women's 10 metre air pistol and Yareli Acevedo Mendoza won on the cycling track in the women's Omnium.
Editing by Christian SchmollingerOur Standards: The Thomson Reuters Trust Principles.
Persons:
Penaloen, Tobago's Nicholas Lee Paul, Silver, Suriname's Jair, Colombia's Kevin, Nicholas Paul, James Hall, Alexis Lagan, Rachel Tozier, Paul, Jair, Alejandra Zavala, Yareli Acevedo Mendoza, Steve Keating, Christian Schmollinger
Organizations:
Trinidad, United, United States Pan American Games, Games, Pan Am, Thomson
Locations:
Santiago, Chile, SANTIAGO, United States, Trinidad and Tobago, U.S, Mexico, Canada, Trinidad, Lima, Fa, Suriname