Arles Antonio Castro Laverde is a male professional track and road racing cyclist from Colombia. He won a silver medal for his native country at the 2007 Pan American Games in Rio de Janeiro, Brazil alongside Carlos Alzate, Jairo Pérez and Juan Pablo Forero in the Men's Track Team Pursuit. He competed at the 2008 Summer Olympics in Beijing, PR China and the 2012 Summer Olympics in London.

Carlos Eduardo Alzate Escobar is a Colombian professional track and road racing cyclist from Colombia, who most recently rode for the GW–Shimano team. He won a silver medal for his native country at the 2007 Pan American Games in Rio de Janeiro, Brazil alongside Juan Pablo Forero, Arles Castro and Jairo Pérez in the Men's Track Team Pursuit. He competed at the 2008 Summer Olympics in Beijing, PR China.