X.400 is a suite of ITU-T recommendations that define the ITU-T Message Handling System (MHS). At one time, the designers of X.400 were expecting it to...

The 4 × 400 metres relay or long relay is an athletics track event in which teams consist of four runners who each complete 400 metres or one lap, totaling...

005, 400 m in 52.52, an Asian record, and 400 m hurdles in 56.64, with the final two coming in a span of 35 minutes. Her fifth gold came in 4 x 400 m relay...

1988 Men's Olympic 4 × 400 m Relay (Seoul) 1991 Men's World Championships 4 × 400 m Relay (Tokyo) 1992 Men's Olympic 4 × 400 m Relay (Barcelona) 1993...

for the 4 by 400 meter relay. He is still a world record holder for the 4 x 400 meter relay. In 2004, Johnson was voted into the United States Track & Field...

"SUMMARY 4 x 400 Metres Relay Women - Round 1" (pdf). IAAF.org. Retrieved 27 August 2023. @gregallenRTE (28 August 2023). "Have a look at this. As 400 metre...

The men's 4 x 400 metres relay at the 2024 Summer Olympics was held in two rounds at the Stade de France in Paris, France, on 9 and 10 August 2024. This...

Olympian in history. At the Games, Team USA won the gold medal in the 4 x 400 meters. Although Wilson only competed in the heats, he by extension also...

The S-400 Triumf (Russian: C-400 Триумф – Triumf; translation: Triumph; NATO reporting name: SA-21 Growler), previously known as the S-300 PMU-3, is a...

The women's 4 x 400 metres relay at the 2024 Summer Olympics was held in two rounds at the Stade de France in Paris, France, on 9 and 10 August 2024....