The key is that both feet are in the air at the same time. By comparison, one foot is always in contact with the ground when you walk. Running is less efficient than walking, as mentioned earlier, precisely because you must propel your body weight through the air. Jogging vs. Running. The movement is similar; running is just faster.
The Basking Shark is one of a few species that lives in temperate latitudes, both north and south of the equator, but not between these two zones in the tropics.
50 shark species are listed as vulnerable, endangered, or critically endangered by the IUCN, but only the Great White, Whale, and Basking sharks are protected internationally by CITES (the Convention on International Trade in Endangered Species).