Complex sentence: The Triumph Hurdle is a Grade 1 National Hunt hurdle horse race in the United Kingdom for four-year-old novices run over a distance of 2 miles 1 furlong (3,420 metres) on the New Course at Cheltenham Racecourse during the Cheltenham Festival in March.
Split into simpler sentences: The Triumph Hurdle is a Grade 1 National Hunt hurdle horse race in the United Kingdom for four-year-old novices. It is run over a distance of 2 miles 1 furlong (3,420 metres) on the New Course at Cheltenham Racecourse during the Cheltenham Festival in March.