Orienteering Western Australia hosts several series of events over the year. These involve results in several events counting towards an overall series winner.
For the Metro Series this is performances in the urban based summer events. For the State Orienteering League the results of this series determines the Orienteer of the Year in both foot and mountain bike orienteering. This is a handicap based on muliple events through out the year, providing for competition across various events types to determine a yearly male and female, junior and senior winners for both foot and MTBO.