The latter was upgraded to gold due to one member of the quartet that crossed the line first, Nesta Carter, testing positive for a banned substance, resulting in their disqualification.

The nation's flag bearer at the opening ceremony that year was swimmer and Athens medalist George Bovell.

[4] Trinidad and Tobago's flagbearer at the opening ceremony was swimmer George Bovell, who won a bronze medal in the 2004 Athens Olympics as part of the Trinidadian delegation.

The athletic contingent of Trinidad and Tobago's team arrived in Beijing from Finland on August 5, 2008, but spent only one night before leaving for a training camp in nearby South Korea.

Burns and Osovnikar finished ahead of Honduran athlete Cruz Rolando Palacios Castillo (10.49 seconds).

[7] Tying Osovnikar and Germany's Tobias Benjamin Unger for 38th place out of 80 athletes, Burns advanced to quarterfinals.

This time, out of the forty quarterfinalists, Thompson tied the Netherlands Antilles' Martina for second place behind only Usain Bolt.

[11] Quarterfinals took place on August 18, and Armstrong competed in the third heat, tying fourth-place finalist Marcin Jędrusiński with a time of 20.58 seconds.

Out of the 66 event competitors, Sorillo tied Japan's Shinji Takahira and Antigua and Barbuda's Brendan Christian for ninth place.

[15] Quow trained with the athletics program at South Plains College in Levelland, Texas prior to Beijing.

[19] The Trinidadian team placed first overall out of the ten relays that finished, and progressed to the August 22 final round.

[21] The Japanese team (38.15 seconds) earned the bronze medal—later promoted to silver—in the event, placing immediately behind Trinidad and Tobago.

The team included Ato Modibo, the only athlete in the event who also participated in an individual event;[13] then 19-year-old University of Memphis-affiliated athlete Jovon Toppin;[22] then 22-year-old Clemson University-affiliated sprinter Cowin Mills;[23] and then 22-year-old University of Michigan runner Stann Waithe.

[27] Hackett participated in the fourth heat during the August 16 quarterfinal round, finishing her race in 11.46 seconds.

[27] Trinidad-born runner Sasha Springer-Jones, who was 30 years old at the time, competed in the women's 100 meters in Beijing on Trinidad and Tobago's behalf as well.

[27] Tobago-born Louisiana State University sprinter Kelly-Ann Baptiste ran for Trinidad and Tobago in the women's 100 meters dash.

[27] Then 21-year-old Penn State University athlete Aleesha Barber was the sole Trinidadian participant in the women's 100 meters hurdles race.

[31] Then 24-year-old runner Josanne Lucas, who was born in the largest town on Tobago, was the sole participating Trinidadian athlete in the women's 400 meters hurdles at the Beijing Olympics.

[35] Then 29-year-old Trinidad-born field athlete Cleopatra Borel-Brown participated in women's shot put on Trinidad and Tobago's behalf in Beijing.

Previously an athlete and student of the University of Maryland, Baltimore County, Borel-Brown also participated for Trinidad and Tobago in the 2004 Athens Olympics.

[37] University of Florida athlete and then 27-year-old Candice Scott participated in women's hammer throw during the Beijing Olympics for Trinidad and Tobago.

[38] The qualification round for women's hammer throw took place on August 17, where Candice Scott participated in the second heat.

The team was composed of Kelly-Ann Baptiste and Semoy Hackett–both of whom also participated in the women's 100 meters dash–as well as then 30-year-old University of Nevada, Las Vegas athlete and three-time Olympian Ayanna Hutchinson[40] and then 23-year-old Abilene Christian University athlete and two-time Olympian Wanda Hutson[41]–both of whom did not compete in an event other than the relay while in Beijing.

No medalists came from the Trinidadian female track and field team in Beijing, although all 100 meters sprinters progressed to quarterfinals.

[46] Then 22-year-old Nicholas Bovell participated on Trinidad and Tobago's behalf at Beijing in the men's 200 meters individual medley.

He is the son of Barbara Bishop, a Barbadian athlete and sprinter in the 1972 Summer Olympics, and brother of fellow Beijing swimmer George Bovell.

He completed the event in 2:03.90, placing fifth behind the Czech Republic's Tomas Fucik (2:02.85) and ahead of Turkey's Serkan Atasay (2:05.25).

[48] Three-time Olympian George Bovell, aged 25 years old during his participation at Beijing, competed in the men's 100 meters freestyle for Trinidad and Tobago.

[49] George Bovell participated in the sixth heat during the August 12 preliminary round, placing first with a time of 48.83 seconds.

[51] Then 24-year-old former University of South Carolina athlete Sharntelle McLean participated for Trinidad and Tobago in the women's 50 meters freestyle.