Just thought I'd explain for beginners what all those lines and triangles on a track mean.
UPDATE: Not long after I posted this, the NFHS did adopt a change to eliminate the acceleration zone for the 4x100 and 4x200. The zone for those relays has been extended to 30m, so the small triangle now marks the beginning of the exchange zone for those relays (and future tracks will likely make them large triangles). The existing big triangle at the start of each 4x100 and 4x200 zone is now effectively a waste of paint.
Негізгі бет Спорт Track markings explained
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