Complex sentence: The National Youth Competition is the National Rugby League's Under 20's premiership, first run in 2008, this competition runs parallel to the senior competition and each game is played before the game of the National Rugby League premiership.
Split into simpler sentences: The National Youth Competition is the National Rugby League's Under 20's premiership. First run in 2008, this competition runs parallel to the senior competition and each game is played before the game of the National Rugby League premiership.