Special rules will again be in place. Podium spots might be shared.

© Adam Perez for The New York Times

Nicknamed Russell the Muscle, he finished ninth in the decathlon at the 1964 Games. His mother, Alice Arden, placed the same as a high jumper in 1936.

Ford Motor has written off $20 billion in electric vehicle investments but says it is forging ahead with an electric pickup that will sell for $30,000 next year.