The Doctor (Race Route) Cross from Rottnest Island's Army Jetty towards Sorrento Beach on the island-to-mainland line associated with The Doctor race. Unlike a shore-hugging itinerary, this crossing commits paddlers to an extended stretch of open water. Route exported from the stored geo_path. Not for navigation. Army Jetty (Rottnest Island)115.5458,-31.9958,0 Sorrento Beach115.7431,-31.8228,0 The Doctor (Race Route) - route#route 1clampToGround 115.5458,-31.9958,0 115.7431,-31.8228,0