 He then shifted to the longer distances, competing in 10,000 metres at the World Championships in 1997, 1999, and 2001, with a thirteenth place from 1999 as his best finish.He competed in the marathon at two consecutive Olympic Games, placing seventeenth in 2000 and 53rd in 2004.N'Tyamba holds the Angolan records in 800 metres, 1000 metres, 1500 metres, 3000 metres, 10,000 metres, half marathon, and marathon.