to run the 4X100 relay you need a team of four people. the first person runs 100 meters then passes the baton to the second runner, the second runner runs 100 meters and passes the baton to the third...
You need a baton. You need your legs too. And last but not least, you need your brains to send out the signals or you're never gonna move from the starting line. Wait, you're never gonna move from...
The Greeks. The relay was originally a way of passing messages from one person to the other. The message carrier ran with the rolled up message (the scroll) and passed it to the next carrier to ran...
This is quite an easy question for me to answer as i am quite athletic, the answer to this one is 4, even in swimming the relay consists of 4, i assume you mean athletics and yes athletics relays...
It is correctly called the 4x800 meter relay. It's when 4 runners each take turns running the 800 meter in a race (two laps around the track) by using a baton to pass to each other.
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