Sentence:  Billeted in seaside houses and drilled on the high school playground, <WSD>routemarched</WSD> through the Lammermuirs and abseiling up and down the sand cliffs, lectured at and made to deliver instant ten minute lecturettes, much of it seemed just a carry-on from the school and university corps - except that we had white bands round our shoulder straps and caps FS, and proper blancoed gaiters BD in place of Oxford's crummy leather ones. 
Meaning of the word marked with <WSD> tags:  Go or send on a routemarch