The "23 metre" line (actually 22.90 metres overall) defines the defensive zone in Field Hockey. It is the line at which a fully-padded goalkeeper may not take part in play, and the limit at which a severe penalty can be awarded a penalty corner.
There are two 25 yard marks and one 50 yard line. So there are 100 yards on a field hockey field!
The 50 yard line.
the line in the middle of the field 50 yard line
The 20 yard line is considered the beginning of the Red Zone
one hundredth of a football field from touchdown line to touchdown line. A yard stick is a yard long.
It has to be the penalty.
depends if the field is a high school of pro or college field
50 yard line
It is either a 60 or a 40 yard field goal depending on which side of the field you are on.
NFL Field markings: * Side Line/Out of Bounds - 6' wide white line surrounding the field of play * Yard Lines - White verticle lines running the width of the field in ten yard increments. The numbers run from 10 to 50 and then back to 10. Each yard line is numberes. The numbers are a standard sized 6 feet high, 4 feet wide. Next to each number is an arrow, pointing towards the closest endzone. * Side Line Hashmarks - individual yard lines running the length of the field in one yard increments. * Mid-field Hashmarks - 2 sets of individual yard lines running the length of the field. These hashmarks are located 70' 9" from the sidelines. * Goal Line - The line demarking the Endzone from the field of Play. * Team/NFL Logos - All Logos painted on the field must be approved by the NFL.