Illustrations of history

Well, you'd have a bit more distance between soldiers than shown here, and may not be carrying your own javelins if you aren't in a hostile area. But there's a good reason that the Romans were one of the first militaries to put an extreme emphasis on the importance of a regular and practiced marching pace on the road, not just on the battlefield. Whether poked in the eye or stepping on someone's heels with hobnailed sandals - mistakes ain't good for traveling speed!