Sport rowing
Rowing is a sport
A Sport is all forms of physical activity which, through casual or organised participation, aim to use, maintain or improve physical fitness and provide entertainment to participants. Sport may be competitive, where a winner or winners can be identified by objective means, and may require a degree...

 in which athletes race against each other on rivers, on lakes or on the ocean, depending upon the type of race and the discipline. The boats are propelled by the reaction forces on the oar
Oar (sport rowing)
In rowing, oars are used to propel the boat. Oars differ from paddles in that they use a fixed fulcrum to transfer power from the handle to the blade, rather than using the athlete's shoulders or hands as the pivot-point as in canoeing and kayaking. Typical Sculling oars are around 284 cm -...

 blades as they are pushed against the water. The sport can be both recreational, focusing on learning the techniques required, and competitive where overall fitness
Physical fitness
Physical fitness comprises two related concepts: general fitness , and specific fitness...

 plays a large role. It is also one of the oldest Olympic sports
Olympic sports
Olympic sports, as defined by the International Olympic Committee, are all the sports contested in the Summer and Winter Olympic Games. The Summer Olympics, as of 2012, will include 26 sports, with two additionall sports due to be added in 2016...