Under standard Rule 17.1d(3), how big is the lateral relief area for a red penalty area?

References

Answer: Two club-lengths. The standard rule measures two club-lengths from where the ball last crossed the red edge. Rule 25.4m expands it to four for a player using a wheeled mobility device.

1. The R&A: Rule 17, Penalty Areas www.randa.org/en/rog/the-rules-of-golf/rule-17

   Size of Relief Area Measured from Reference Point: Two club-lengths

   Checked 2026-10-12.
2. The R&A: Rule 17, Mobility Device Modification www.randa.org/en/rog/the-rules-of-golf/rule-17

   for players who use a wheeled mobility device, Rule 17.1d(3) is modified to expand the lateral relief area to four club-lengths

   Checked 2026-10-12.

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