How do they judge who touches the wall first?

Question

thanx/ now i see like a billion others of the same question

Answer 1

Touch pads

Answer 2

there is a touch pad on the wall and when a swimmer finishes and they touch the wall it tells their time, even down to the hundreth of a second.

and if the touch pad messes up there are underwater cameras that show you who touched the wall first.

Answer 3

a touch pad

Answer 4

go right near the wall and see who gets there hand first there

wathc carefully

Answer 5

there are judges staning over the lane, but in many events a sensor pad is used, so when the swimmer touches the wall their time stops.

Answer 6

they have touch pads that are very sensitive that can tell and they also have high speed cameras right at the wall that checks

Answer 7

touch pad.

Answer 8

a touch sensor pad

Answer 9

Timer touch pad- when the person touches, they stop the timer, then they use those times for results