Rogaine is a form of racing where instead of going for a distance, you go for a time. Rogaine races can last 6 hours or 24 hours and are most often done on foot, though there are bike and paddle rogaine races.
Nearly all Rogaine races involve navigation and many time use orienteering style maps. You can learn more about Rogaine from the Wikepdia article on Rogaine. You should also learn more about orienteering. To learn more about orienteering simply get a compass and a pair of running shoes and come out to one of the Florida Orienteering events.
Some articles about Rogaine: