Here are some of record breakers...
Marathon runner Steve Jones set a previous world record for the marathon in Chicago in 1984 with a time of 2:08:05. Amazingly this is still a British record. He also won a bronze medal at the Commonwealth games in the 10,000m in 1986.
400m hurdler Dai Greene from Felinfoel is a European, Commonwealth and World Champion claiming gold medals in 2010 and 2011.
Jade Jones won Great Britain's first Olympic Gold medal in Taekwondo in the London 2012 Olympic Games, then in the Rio 2016 she defended her title bringing home Olympic Gold for a second time.
Nigel Owens MBE holds the Rugby Union record for most matches as an international referee. He became a record breaker when he took charge of the Fiji v Tonga World Cup qualifying match in June 2016, which was his 71st match as an international referee with many more to come.
Welsh rugby prop Gethin Jenkins has made an impressive more than 120 appearances for Wales, earning him more than 120 caps. He has played in 4 Championship winning Welsh sides, including the Grand Slams of 2005, 2008 and 2012. He has also toured with the British and Irish Lions on two occasions. He was also selected for a third but unfortunately, he picked up an injury so had to return home.
Professional footballer Gareth Bale broke records when he transferred to Real Madrid in 2013 for a world record transfer fee. Looking ahead he could easily be on track to become the record goal scorer for Wales as he is still early in his career.
Wales Football Team made Welsh history by qualifying for the Semi-Finals in UEFA Euro 2016 Championship, the team's first major tournament in 58 years! They lost to Portugal who went on to win the tournament.
Jamie Baulch is in the Welsh Athletics Hall of Fame. Jamie was a key member of the UK 4 x 400m relay team that won silver in the 1996 Atlanta Olympic Games. In his career Jamie won 5 senior Welsh Championship titles and set 9 senior Welsh records at 200 and 400m.