The venue and equipment for the Olympic men's 4 * 100 meter relay.

The track and field competition of the 29th Olympic Games was held in Beijing National Stadium, which is a standard 400-meter venue with a radius of 36.5 meters along the convex 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.

Track equipment

block

The starter must be used for the start of each track event of 400 meters and below (including 4× 100 meter first stick and 4×400 meter relay). The starting posture of other track events is standing posture.

The starting device is connected with the starting monitor to help the starter confirm whether the starting is a foul or not and the athlete responsible for the starting foul.

Full-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.

Tracking performance real-time display board

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.