 Podenzana's lead shrunk to a little over two minutes after his team, Atala–Ofmega, finished two minutes and thirty-six seconds behind Del Tongo–Colnago.The eleventh stage was run without problems until the final mile, when environmentalist protestors occupied the finish line and forced the annulment of the stage.The protestors were upset with a nearby factory, owned by chemical manufacturer Montedison, which the protestors claimed had been polluting the Bormida river.