Great Britain at the 2016 Summer Olympics having won double gold in the four in 2008 and 2012. Alistair Brownlee became the first triathlete to successfully defend an Olympic title and his younger brother Jonny Brownlee upgraded his London bronze to a silver in the men's triathlon, one of three events with the men's pommel and men's individual sprint where Great Britain finished first and second. No British woman having ever defended an individual Olympic title, Trott, Dujardin, taekwondo-ka Jade Jones and boxer Nicola Adams became the first four British female Olympians ever to successfully defend individual Olympic titles, with Trott becoming the first British female, and
Tunisia at the 2012 Summer Olympics and swimming. This was the nation's most successful Olympics, winning the largest number of medals in its history, sending its largest delegation ever to the games due to the presence of team-based athletes, and making Olympic history for two legendary athletes. Middle-distance runner Habiba Ghribi became the first Tunisian female athlete to win an Olympic medal in the women's steeplechase. Meanwhile, Oussama Mellouli became the first Olympic swimming champion at both pool and open water, and became most successful Tunisian athlete in Olympic history with two gold medals. Tunisian athletes have so far achieved qualifying standards in the following athletics