The 49er's name comes from its hull length of 4.99 metres (16 ft 4 in). It incorporates ideas developed in Julian Bethwaite's 18ft Skiffs, notably the Prime Computer series of boats, which were double hander
The 49er made its first Olympic appearance at the Sydney Olympics in 2000 and has continued to grow in popularity ever since.
With a Portsmouth yardstick Handicap of 740 the 49er is the fastest two person one-design monohull dinghy.
In 2009 the boat received a new rig design, including a larger fully carbon mast (replacing the aluminum mast) and square top (roach) mainsai