but the troops, unaccustomed to marching, moved in starts and stops. Along the route soldiers often broke ranks to wander off to pick apples or blackberries or to get water, regardless of the orders of their officers to remain in ranks.

The Confederate Army of the Potomac (21,883 effectives) under Beauregard was encamped near Manassas Junction where he prepared a defensive position along the south bank of the Bull Run river with his left guarding a stone bridge, approximately 25