Traditional Culture Encyclopedia - Photography major - What is the world record of men's 4× 100 meter relay?
What is the world record of men's 4× 100 meter relay?
4×100m site and equipment:
I. Venue:
It is a standard 400-meter field with a radius of 36.5 meters along the outer edge. Each runway is 1.22m wide (including the right lane), and the lane width is 5cm. Run to the left in the infield. The lane number should be the innermost lane on the left, such as lane 1. That is, the race is played counterclockwise, and the circular runway is 1 to runway 9 from the inside out.
Second, the competition equipment:
1, start the device:
(1) The starting device (including the first 4×100m and 4× 400m relays) must be used in races of 400m and below. The starting posture of other competitions is standing posture.
(2) The starting device is connected with the starting monitor to help the starter confirm whether the starting is a foul or not and the responsible athlete.
2. Automatic terminal photography timing system;
The automatic terminal photography timing device must start timing from the starting gun or an approved similar device, and the images taken in this system must be synchronized with the timing system and accurate to11000 seconds.
3. Real-time display board of competition results:
The display board is connected with the automatic terminal photography timing system, which can simultaneously display the first place scores, real-time scores and segmented scores of each group, so as to facilitate the audience to know the progress and results of the competition.
Baidu Encyclopedia-World Record
Baidu Encyclopedia-Olympic Men's 4 * 100 meter relay race
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