From Longman Dictionary of Contemporary Englishgymkhanagym‧kha‧na /dʒɪmˈkɑːnə/ noun [countable] British EnglishDSH a sporting event at which people on horses compete in races and jumping competitions
Examples from the Corpus
gymkhana• What he obviously had in mind was the manoeuvre carried out by horsemen displaying their skill at a gymkhana.• At shows and jump their horses while the children gymkhana.• We also have our own Autumn Shows where you draw your pony out of the hat for each gymkhana race.• Nor did he shuffle them around, as an almost annual political gymkhana, in the way that Harold Wilson did. 