Complex sentence: She has been capable of executing a beautiful triple loop jump, but has not done so in competition since the 2008-2009 season, where halfway through the season, she replaced it with a double axel in her long program.
Split into simpler sentences: She has been capable of executing a beautiful triple loop jump, but has omitted it in competition since the 2008-2009 season. Halfway through the season, she replaced it with a double axel in her long program.