At the 1966 GANEFO, the athletics events were held in Phnom Penh, Cambodia in November and December.
[2] The program was the same as the previous edition, except that the men's decathlon and steeplechase events were dropped.
[3] Continuing on from the first GANEFO, China dominated the athletics competition, winning nineteen of the gold medals on offer.
[2] Ni Zhiqin, China's leading men's high jumper, was the only man to defend his title from the 1963 games.
Zheng Fengrong, a former world record holder, added the high jump gold to the defence of her women's pentathlon title and also an 80 metres hurdles bronze.