This story a happy ending. It’s about hundreds of people coming together to have fun and delight in each other’s company. They’ll have some friendly competition and raise money for a good cause. But before I get to the snowmobiles and their breathtaking speeds, or the sounds of happy children, or the laughter around the fire, let me tell you something I learned about myself while reporting this story: under no circumstances will I be parking my car on a frozen lake.