Uploaded May 2020 | Updated September 2026, 1 week ago
The United States hasn't won an Olympic medal in cross-country skiing since 1976, but in 2010 several skiers hope to change that. If they’re successful, you can be certain it’s due to their incredible endurance. Olympic athletes, trainers and a sports scientist and chemist funded by the National Science Foundation explain why cross-country skiers are among the fittest athletes in the world.
The United States hasn't won an Olympic medal in cross-country skiing since 1976, but in 2010 several skiers hope to change that. If they’re successful, you can be certain it’s due to their incredible endurance. Olympic athletes, trainers and a sports scientist and chemist funded by the National Science Foundation explain why cross-country skiers are among the fittest athletes in the world.










