extreme sports/surfing/skiing etc
From Longman Dictionary of Contemporary Englishextreme sports/surfing/skiing etcextreme sports/surfing/skiing etcan extreme sport is one that is done in a way that has much more risk and so is more dangerous than an ordinary form of the sport → extremeExamples from the Corpusextreme sports/surfing/skiing etc• The explosion of extreme sports in recent years has produced an unprecedented number of ultra-endurance races.