noun
ADJECTIVE
▪ long , marathon ( esp. BrE )
▪ 20-mile , etc.
▪ 3-day , 10-hour , etc.
▪ arduous , gruelling/grueling , strenuous
▪ short
▪ cross-country
VERB + TREK
▪ go on , make , take
▪
The family made the long ~ west in 1890.
▪ begin
▪ continue
PREPOSITION
▪ on a/the ~