Maximum Speed. An average walking speed is somewhere around 3 miles per hour, but fast walkers and power walkers can often walk at speeds at or above 5 miles per hour. The speed at which you feel more comfortable running than walking is known as your break point, and a typical break point would be somewhere between 4 and 5 miles per hour.
Mini Skateboard Deck width: 7.0â³ with an average deck length of 28â. Mini decks are the best skateboards for beginners who are 6-8 years old, between 3â5â and 4â4â tall who wear size 4-6 shoes. Mid-size Skateboard Deck width: 7.3â+ with an average deck length of 29â. For skaters 9 to 12 years old between 4â5â and 5â2â tall who wear size 7-8 shoes.
1 On average, a skateboard can vary anywhere from $20 to as much as $400 per board. 2  Since there are so many types,it is important to look at the price of each type. Adding graphics to an existing skateboard can cost $1 to $10 per decal. 2  Decal pricing will vary depending upon the type and brand. 3  If there are no skate parks in the area, skaters often like to build their own skate park with ramps in their yard or driveway.