How to Survive Falling Through the Ice

It is winter. You are panting with fatigue because for the past 30 minutes you have been running and walking to get away from a band of zombies. The zombies have been moving slowly in the cold, but so have you because the snow comes nearly to your knees. You come to the edge of a clearing. Normally you would skirt around the edges, but that would take time. You decide to risk a straight path across. A hundred feet from the edge of the woods, and you hear a large "crack". As you plunge through the ice, you realize it was not a clearing, but a frozen lake. What do you do?

The Art of Manliness has an infographic on surviving a fall through the ice, and some additional advice. Check it out at the link.