sporcuların

sporcuların

"Of the athletes" or "athletes'"

Here, 'sporcuların' is in the genitive case, indicating possession ('the athletes' successes').

Sporcuların başarıları bizi gururlandırıyor.

The athletes' successes make us proud.

In this sentence, 'sporcuların' serves as the genitive subject in the embedded clause ('the athletes arrived').

Sporcuların antrenmana erken geldiğini gördüm.

I saw that the athletes arrived early for training.

Here, 'sporcuların' is used in the genitive case to show ownership or relation to 'performance' ('the athletes' performance').

Bu kitap sporcuların performanslarını arttırmak için yazılmış.

This book was written to enhance the athletes' performance.