The speed limit of the sidewalks forbidding ‘ fast walking ’, making that activity illegal , as fast walking would come under the umbrella of ‘ any sport or exercise ’. Specific studies have found pedestrian walking speeds ranging approximetly 5 km / h . On the sidewalks the actual speed limit is 10 km / h for bikes , 20 km / h on shared paths , 30 km / h on bikelanes , on the road 40 km / h , with helmet 50 km / h . The fastest human footspeed on record is 44.7 km / h , seen during a 100 meters sprint , a domestic cat may reach 48 km / h , the average human running speed is 25 km / h but this speed varies greatly depending on factors such as age , weight , culture , wind and even height of the individual . The avarage speed of a skateboarder depends on road conditions , wheel hardness , wheel size and bearings , slightly faster than running pace . The fastest speed achieved on a skateboard is 130 km / h performed on a downhill track .
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