• WordNet 3.6
    • v outmarch march longer distances and for a longer time than "This guy can outmarch anyone!"
    • ***
Webster's Revised Unabridged Dictionary
    • v. t Outmarch To surpass in marching; to march faster than, or so as to leave behind.
    • ***
Century Dictionary and Cyclopedia
    • outmarch To march faster than; march so as to leave behind.
    • n outmarch The outward march; the starting forth of a military expedition.
    • ***
Chambers's Twentieth Century Dictionary
    • v.t Outmarch owt-märch′ to march faster than: to leave behind by marching.
    • ***


In literature:

Now, if we try to outmarch them, they will catch us in the woods and shoot every one of us before we can get to Ernee.
"The Chouans" by Honore de Balzac
One was to outmarch the converging Federals, gain interior lines along the Valley, and defeat them there in detail.
"Captains of the Civil War" by William Wood
Neither army being able to outmarch the other, both drew up masses of pikes in parallel lines.
"Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 5" by Various
That night the Turkish army, reinforced, was trying to outmarch us.
"The Secrets of a Kuttite" by Edward O. Mousley
They outmarch their own shadows sometimes, and have to wait for them to come in after nightfall.
"Miss Ravenel's conversion from secession to loyalty" by J. W. de Forest