route march 
noun
A march for troops over a designated route, typically via roads or tracks.About 1,000 feet below us there was a squad of soldiers on a mountain route march....
- The end of training is usually marked by some arduous task such as the stretcher march or a gruelling final route march, which are perceived as necessary rites-of-passage.
- Hot, tired and hungry, they navigated a route march in searing 40 degrees heat.
- per interim
- perinuclear
- periocular
- period
- periodate
- period costume
- period doubling
- periodic
- periodic acid
- periodic acid–Schiff
- periodical
- periodical cicada
- periodically
- periodical month
- periodicalness
- periodical stream
- periodic classification
- periodic comet
- periodic detention
- periodic error
- periodic function
- periodicity
- periodic law
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- periodic table