This record is for the longest line of keycards in terms of the physical length of the line/chain.
This record is to be attempted by an individual or a team of unlimited size.
This record is measured in metres and centimetres, with the equivalent imperial measurement also given in feet and inches.
For the purposes of this record, a "keycard" is a card or card-shaped object intended to be used in lieu of a key to gain access to a locked room or object.