No person riding or operating a bicycle, moped, skateboard, roller skates, roller blades, sled, toy vehicle, or any other similar human-powered or motor-powered device upon a public right-of-way or upon any land, property, or facilities owned or controlled by the city of Palo Alto, shall participate in any race, speed, or endurance contest unless such race, speed or endurance contest has the written permission of the city manager and is under the supervision of the chief of police.
(Ord. 3880 § 1 (part), 1989: Ord. 3233 § 10, 1980: Ord. 2877 § 10 (part), 1975: Ord. 2051 (part), 1961: prior code § 16.26)