Answer: trekked

AnswerCrossword Clue
TREKKEDTraveled like Spock
TREKKEDWent backpacking
TREKKEDTraveled laboriously.
TREKKEDJourneyed.
TREKKEDTraveled arduously
TREKKEDMigrated like the Boers
TREKKEDTraveled with Spock?
trekkedto make a trek
trekkedTREK, to make a slow, arduous journey
trekkedslow and difficult journey