Outdoor fitness

[1] After the Second World War, as people did less exercise in their daily and work lives, individualistic, health-oriented physical and recreational activities such as jogging began to prevail.

[2] The Royal Canadian Air Force Exercise Plans, developed by Dr. Bill Orban and published in 1961, and Kenneth Cooper's book "Aerobics" (1968) and mass-market version "The New Aerobics" (1979) helped to launch modern fitness culture.

[16][17] Growing participation was seen in organized events that expanded internationally such as Parkruns, Tough Mudder and Be Military Fit and sports such as triathlon and cycling.

Street workouts have also become a popular outdoor fitness activity is some countries, with a world championship taking place since 2011.

Lakes, valleys and mountains are used for specific academic instruction in the realm of science and biology.