Makoto and Nagisa watch with their breaths held as Haruka and Rin engage in an intense race.  However, they notice that Rin appears to be have changed. At the same time, Nagisa prepares to start up a swim club with help from Rin's sister Gou.
That's why he's given up on swimming.
Deswegen hat er 
das Schwimmen aufgegeben.
Ecco perché non ne ha 
voluto più sapere del nuoto.
Deve ser por isso que
 ele parou de nadar.
И поэтому отказался от плавания.