Singapore sprinter Gary Yeo ended his Olympic campaign by coming home last in the first round of men's 100m heats on Saturday.
He clocked 10.69 seconds in the heat, which was won by American sprint star Tyson Gay in a time of 10.08 seconds.
But it was not all bad news for Yeo.
Earlier in the day, he clocked 10.57secs in the preliminary heats, shaving 0.05 seconds off his personal best.
[See his full race results here]
Elsewhere, national shooter Jasmine Ser failed to make the finals of the Olympic 50m rifle three positions after finishing 29th out of 46 in the qualification round on Saturday.
She shot a score of 577 at the Royal Artillery Barracks in Woolwich.
And in sailing, Singapore's Colin Cheng failed to qualify for the medal race when he finished 15th overall in a fleet of 49 boats in the Laser category.
Only the top 10 move on to compete for a medal.
Cheng came home with a total of 145 net points after finishing in the top 10 in three of the qualifying races. He almost won race 8, finishing second.
[See his full results here]
Singapore's Elizabeth Yin, who was competing in the Laser Radial, also did not make the medal race, finished 24th out of 41 sailors.
[See her full results here]