Two boats running downwind side by side — how do I tell who's leeward?

Both boats are on the same tack and overlapped, so Rule 11 decides it: the windward boat must keep clear of the leeward boat. Downwind neither boat sits directly below the other, so use the wind: leeward is the side the wind is blowing towards. The windward boat must head up, not bear away, to keep clear — bearing away steers straight at the leeward boat.

📖 Want more situations like this one? Bryan Willis's The Rules in Practice 2025-2028 works through the rules as they happen round the racecourse. (affiliate link)

▶ Watch on YouTube ↓ Download (via YouTube)
<iframe width="560" height="315" src="https://www.youtube.com/embed/ixDCdazWdeg" title="Sailing Kiwi" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
<p><a href="https://sailing.kiwi.nz/v/ixDCdazWdeg/">Source: Sailing Kiwi</a></p>

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Next on this shelf — The Run