text: Competition There are many forms of competition using a fixed gear bike, most of the competitions being track races. Formal track races most often take place in a velodrome, a circular track that is constructed of concrete or wood and can be indoor or outdoor. Race types such as common scratch races or more complex omnium races take place in these arenas.
  Keirin is a form of motor-paced cycle racing on a track with fixed-gear bicycle that meet a strict system of standards.
  Moreover, bike messengers and other urban riders may ride fixed gear bicycles in alleycat races, which are normally held in city streets, including New York City's famous fixed-gear-only race Monstertrack alleycat. Wolfpack Hustle began in 2005 as ride bringing together faster cyclists with the common love for riding. The group ride later expanded to an internationally known race series that takes place in Los Angeles, California. The group has managed to receive sponsorships from several well-known companies including Castelli, a bicycle apparel manufacturer, helping spread interest and knowledge about the group and the races they hold. In San Francisco, California, Red Bull at one point held Red Bull Ride + Style events, which brought together both track and freestyle fixed-gear riders from around the world for competitions.