The Marshall Islands competed at the 2012 Summer Olympic Games in London, from July 27 to August 12, 2012. This was the nation's second appearance at the Olympics. The delegation included four athletes, one male and one female athlete in athletics and one male and one female athlete in swimming. Middle-distance runner Haley Nemra was the nation's flag bearer at the opening ceremony. The Marshall Islands failed to win a medal at the 2012 Summer Olympic Games.
The Marshall Islands participated in two Summer Olympic Games between its debut at the 2008 Games in Beijing, China and the 2012 Olympic Games in London, England. The Marshall Islands made their Olympic debut in 2008 sending five athletes. The athletes form the Marshall Islands attended a month long training camp in Australia prior to prepare for the London Games.
The Marshall Islands created its National Olympic Committee in 2001, and gained International Olympic Committee (IOC) recognition in 2006 during the IOC's meeting on February 9, 2006 in Turin, Italy. The addition of the Marshall Islands along with Montenegro and Tuvalu the following year brought the total number of nations competing at the 2008 Summer Olympics to 205.
The Marshall Islands were represented by one male and one female athlete at the 2012 Summer Olympics in athletics: Timi Garstang and Haley Nemra. This was the first Olympic appearance for Garstang and the second for Nemra. Nemra previously competed in the women's 800 meter at the 2008 Summer Olympics in Beijing. Namara was also the flag barrier for these Olympic Games.
|Timi Garstang||100 m||12.81||7||Did not advance|
|Haley Nemra||800 m||2:14.90||6||Did not advance|
The Marshall Islands were represented by one male and one female athlete at the 2012 Summer Olympics in swimming: Giordan Harris and Ann-Marie Hepler. This was the first Olympic appearance for both Harris and Hepler.
Giordan Harris competed in the men's 50 meter freestyle, where he finished sixth in his heat and placed forty-sixth in the standings. The medals in the event went to athletes from France, the United States, and Brazil.
Ann-Marie Hepler partook in the women's 50 meter freestyle, where she placed third in her heat and ranked forty-ninth in the standings. The medals in the event went to athletes from the Netherlands, and Belarus.
|Giordan Harris||50 m freestyle||26.88||6||Did not advance|
|Ann-Marie Hepler||50 m freestyle||28.06||3||Did not advance|
the number of National Olympic Committees across the globe now totals 205