The England Boxing National Amateur Championships (NACs) – formerly known as the Elite National Championships and ABA National Championships – is the oldest and most prestigious amateur boxing competition in the country. Dating back to 1881, it boasts household names such as Henry Cooper, Frank Bruno, Nigel Benn, Ricky Hatton, Carl Froch, Tony Bellew, Tyson Fury, Anthony Joshua, Nicola Adams, Savannah Marshall, Natasha Jonas, Karriss Artingstall and Stacey Copeland as former winners of a coveted national title belt. It is open to male and female boxers aged between the ages of 18 and 40 in weight categories ranging from Under 49kg to Over 92kg (males) and Under 48kg to Over 81kg (females). These quarter-final and semi-final stages take place at the Magna Science Adventure Centre, Rotherham.