<Tr> <Td> </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> Kribensis </Td> <Td> Wahiba </Td> <Td> Chatam </Td> </Tr> <P> 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 . </P> <P> It is the leading event in the National Hunt calendar to be exclusively contested by juveniles, and it is the opening race on the final day of the Festival . </P>

What age must a horse be to run in the triumph hurdle