Guam's Amy Atkinson set a new national record in the women's 800m at the London Olympics.
The 23 year-old finished fifth in her heat in 2.18.53.
Marshall Islands runner Haley Nemra posted a season best of 2.14.90 in her heat.
Still on the track and Fijian javelin thrower Leslie Copeland threw a season best of 80.19m, but it wasn't enough to qualify for the final.
The 24 year old began with a throw of 77m before reaching his goal of over 80m with his second attempt, however he ended with a disappointing 72.52m.
In other Pacific results, Guam's freestyle wrestler Maria Dunn was beaten 5-0 in her qualifying match against Russia's Lubov Volosova and Papua New Guinea's Theresa Tona lost her bout in the 49kg taekwando class.