Must be designated by markers located on the arena fence, and easily viewed by the line judge and the exhibitors.
- Start/foul line shall be approximately 2/3 length of the arena away from the far fence where cattle are gathered.
- The pen shall be set up 3/4 of the length of the arena from the same far fence.
- Pen may be placed on either side of the arena, with the opening facing away from the cattle.
- The pen shall be set 16 feet from the side fence, creating an “alley.”
- Pen shall have three sides and a gate. Minimum of three 16 foot sides, with a 16 foot gate open wide; optional 24 feet deep.
- Opening to pen shall be 18 feet wide without a panel or 10 feet wide with an 8-foot panel. The 8-foot panel is optional.