Vanuatu's Arnold Sorina and Guam's Derek Mandell have failed to advance past the heats of the men's 800m on day 11 of the London Olympics.
Sorina was last in his heat in a time of 1.54.29, while Mandell was 7th in his in 1.58.94.
Micronesian wrestler Keitana Graham was eliminated in his opening Greco-Roman bout against America's Charles Betts.
Josh Utanga suffered the same fate in the men's K1000 kayak, while Fijian shooter Glenn Kable was 23rd in the men's trap competition.
And Tonga's Ana Pouhila finished 30th in the women's shot put with a best throw of 15.80m.