Complex sentence: In 2006, Kapachinskaya's mother died, and this affected her running immensely, however, in the 2008 olympics she was in the 400m final and her result was fifth after Yulia Gushchina but achieved a silver in the 4X400m relay.
Split into simpler sentences: In 2006, Kapachinskaya's mother died, and this affected her running immensely. In the 2008 Olympics, however, she was in the 400m final and her result was fifth after Yulia Gushchina but achieved a silver in the 4X400m relay.