The Triumph Hurdle is a Grade 1 National Hunt hurdle race in Great Britain which is open to horses aged four years. It is run on the New Course at Cheltenham over a distance of about 2 miles and 1 furlong (3,420 metres), and during its running there are eight hurdles to be jumped. The race is for novice hurdlers, and it is scheduled to take place each year during the Cheltenham Festival in March.
what age must a horse be to run in the triumph hurdle
four years