Lynne Cox set a new record by swimming 2.7 miles (4.3 km) from Alaska to Siberia in a swimsuit.
She was the first to swim between the two superpowers; at the time, it was a big deal to swim between America and Russia, which was part of the Soviet Union. Research suggests that she survived the 41°F (5°C) water temperatures because she had 36% body fat when the normal average for women was between 18-25%.