High Quality Content by WIKIPEDIA articles! The Arkle Challenge Trophy is a Grade 1 National Hunt chase in Great Britain which is open to horses aged five years or older. It is run on the Old Course at Cheltenham over a distance of about 2 miles (3,219 metres), and during its running there are twelve fences to be jumped. The race is for novice chasers, and it is scheduled to take place each year during the Cheltenham Festival in March.