Complex sentence: In August 2005 she won a gold medal at the 2005 World Championships in Athletics with a new personal best of 6.89 m. She ran track at the University of Tennessee from 2004 to 2006, winning SEC and NCAA indoor and outdoor long jump titles in 2005.
Split into simpler sentences: In August 2005 she won a gold medal at the 2005 World Championships in Athletics with a new PB of 6.89m. Ran track at the University of Tennessee from 2004-2006 winning SEC and NCAA indoor and outdoor long jump titles in 2005.