Officer Jim Heimerl, a Minneapolis policeman, was taking part in a 16.3 mile run in Grantsburg, Wisconsin. Jim was four miles into the race, in a cluster of runners not far off the pace of the leaders, when two deer ambled out of the woods and onto the road. The startled buck, no doubt distressed to find himself in the middle of a human marathon, began zigzagging wildly through the runners. Jim didn't even see the animal until the two of them collided and sprawled together onto the asphalt highway. Jim fell flat on his fa…