Adventure racing is a combination of two or more disciplines, including orienteering and navigation, cross-country running, mountain biking, paddling and climbing and related rope skills. An expedition event can span ten days or more while sprints can be completed in a matter of hours. There is typically no dark period during races, irrespective of length; competitors must choose if or when to rest. Racing with Giants "Rookie Arena" has all the information needed for a new racer to get started in the sport of adventure racing, intelligent sport or other outdoor multisport races.