So you think the Olympics frazzle the nerves more than any event? Well, how about just getting to the games? Three of America’s premier skaters of yore—Olympic gold medalist Tara Lipinski, silver medalist Tanith White, and three-time U.S. champion Johnny Weir—explain that the stress at the national championships can be as excruciating as anything the Olympics cause. As U.S. skaters, led by three-time world champion Nathan Chen and outstanding ice dance couples Madison Hubbell and Zach Donohue, and Madison Chock and Evan Bates, prepare for nationals during the first week in January in Nashville, they need to be aware of the pressure ahead. “When you represent one of the big skating nations, the national championships almost feel more important than the Olympics at times,” says Weir, who along with Lipinski and Belbin are the prime analysts for NBC’s coverage of figure skating. “Because you are competing against very strong skaters …