| Adventure racing
Adventure racing is a combination of two or more disciplines, including orienteering and navigation, cross-country running, mountain biking, paddling and climbing and related rope skills. An expedition event can span ten days or more while sprints can be completed in a matter of hours. There is typically no dark period during races, irrespective of length; competitors must choose if or when to rest.
Adventure racing historically required teams to be of a specified size and to include both men and women, but many races no longer restrict team size and include single-sex divisions. Some also include age-based categories
Drag boat racing
As the name suggests, Drag boat racing is a form of drag racing which takes place on water rather than land.
As in drag racing, contests take place between two vehicles over a straight quarter mile (1320 feet) course but
unlike drag racing on land the boats begin from a short rolling start rather than a standing start.
Many classes are present on race day with the the premier category of drag boat racing being the Top Fuel Hydroplane
class which is a water based equivalent to Top Fuel Dragsters capable of covering a quarter mile (1320 feet) of water
in less than five seconds with a terminal speed of around 250 mph (400 km/h) There are numerous other categories of
drag boats based on various engine configurations (marine and automotive) and hull designs such as Top Alcohol Flatbottoms.
The biggest event on the drag boat calendar is the IHBA World Finals which takes place at
Firebird Raceway Phoenix, AZ.
Boomerang
A boomerang is a simple wooden implement used for various purposes. It is primarily attributed to Australian
Aborigines, but other forms are found amongst peoples of North East Africa, Arizona Native Americans and in India.
The oldest boomerang found so far was discovered in a cave in the carpathian mountains in Poland and is believed to be
about 20,000 years old. Boomerangs come in many shapes and sizes depending on its geographic/tribal origins and intended function.
The most recognizable type is the returning boomerang, a kind of Throwing Stick that, when thrown correctly, travels in a curved
path and returns to its point of origin. Other types of boomerang are of the non-returning sort, and indeed, some
are not thrown at all but are used in hand-to-hand combat by Aboriginal people. Boomerangs can be variously used
as hunting weapons, percussive musical instruments, battle clubs, fire-starters, decoys for hunting waterfowl,
and as recreational playthings. The smallest boomerang may be less than 10 cm from tip-to-tip, and the largest
over 2 meters in length. Tribal boomerangs may be incised and/or painted with designs meaningful to its maker.
Most boomerangs seen today are of the tourist or competition sort, and are almost invariably of the returning type.
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