Challow Novices' Hurdle was opened to older horses from the 1981/82 season onwards. After a hiatus during the mid 1990s, juvenile hurdlers are now excluded from the race. The 1999–00 and 2005–06 runnings took place at Cheltenham. Challow Novices' Hurdle The Challow Novices' Hurdle is a Grade 1 National Hunt hurdle race in Great Britain which is open to horses aged four years or older. It is run at Newbury over a distance of about 2 miles and 4½ furlongs , and during its running there are ten hurdles to be jumped. The race is for novice hurdlers, and it is scheduled to
110 metres hurdles instead of being jumped over and with three steps each between the hurdles was first used by the 1900 Olympic champion, Alvin Kraenzlein. The 110 metre hurdles have been an Olympic discipline since 1896. Women ran it occasionally in the 1920s but it never became generally accepted. From 1926 on, women have only run the 80 metre hurdles which was increased to 100 metres starting in 1961 on a trial basis and in 1969 in official competition. In 1900 and 1904, the Olympics also included a 200-metre hurdles race, and the IAAF recognized world records for the 200 metre hurdles