 Normally Pit Stops are 12 hours. In Season 4, three legs had 36 hour  Pit Stops, which occurred after Leg 3 in Gmunden, Austria; Leg 5 in  Muiden, Netherlands; and Leg 7 in Alleppey, India. There were also  two 24 hour Pit Stops, after Leg 9 in Sepilok, Malaysia and after  Leg 11 in Brisbane, Australia.