This is the 15240th most frequent Turkish word.
sporcunun
"Of the athlete" or "athlete's" (possessive form).
Here, 'sporcunun' is the possessive form meaning 'the athlete's', showing ownership of 'success'.
Sporcunun başarısı herkes tarafından takdir edildi.
The athlete's success was admired by everyone.
In this sentence, 'sporcunun' relates to the subject 'the athlete' performing the action of 'winning'.
Sporcunun yarışı kazanması çok önemliydi.
The athlete winning the race was very important.
'Sporcunun' indicates possession, signifying that the 'health' belongs to 'the athlete'.