This Work analyses the various aspects of slaves' runaways movements in Província do Grão-Pará, during the first half of the nineteenth century, looking to its principal caracteristics, as: the runaways in groups and its significant; the runaways out of the Brazil's Empire, the runaway to the mocambos; not being these runaways estrategy of struggle slaves only, but shared with others segments of the subaltern classes. The author seeks to discern how the historical context in this moment determinated the meanings of the runaways, making them different from the ohters times, as the last decades of the nineteenth century.