Rulebook reference
IHRA
International Hot Rod Association, Pro Watercraft Racing. Not stated in the rulebook. A.2.4 fixes choice of law and venue exclusively in Ohio, and B.7 requires an eligible model to be sold through a distribution network reaching the global market. No territory is named anywhere in the document.. The 2026 rulebook, published as one 95-page PDF, version V.20260603, sections A to EE. Homologation at 300 units, sound measured at 22.86 m.
runabout
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Has its own rules · W · 2026 rulebook · 3 open questions
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Has its own rules · AA · 2026 rulebook · 2 open questions
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Has its own rules · Y · 2026 rulebook · 4 open questions
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Has its own rules · Z · 2026 rulebook · 2 open questions
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Has its own rules · BB · 2026 rulebook · 4 open questions
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Has its own rules · X · 2026 rulebook · 2 open questions
ski
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Has its own rules · N · 2026 rulebook · 1 open question
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Has its own rules · L · 2026 rulebook · 1 open question
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Has its own rules · O · 2026 rulebook · 2 open questions
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Has its own rules · R · 2026 rulebook · 3 open questions
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Has its own rules · Q · 2026 rulebook · 2 open questions
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Has its own rules · M · 2026 rulebook · 3 open questions
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Has its own rules · P · 2026 rulebook · 2 open questions
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Has its own rules · S · 2026 rulebook · 3 open questions
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Has its own rules · K · 2026 rulebook · 2 open questions
drag
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Has its own rules · DD.11 · 2026 rulebook · 1 open question
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Has its own rules · DD.1 · 2026 rulebook · 4 open questions
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Has its own rules · DD.2 · 2026 rulebook · 2 open questions
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Has its own rules · DD.3 · 2026 rulebook · 3 open questions
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Has its own rules · DD.4 · 2026 rulebook · 2 open questions
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Has its own rules · DD.5 · 2026 rulebook · 2 open questions
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Has its own rules · DD.12 · 2026 rulebook · open class · 2 open questions
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Has its own rules · DD.10 · 2026 rulebook · open class · 2 open questions
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Has its own rules · DD.6 · 2026 rulebook · open class · 1 open question
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Has its own rules · DD.7 · 2026 rulebook · 2 open questions
sport
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Has its own rules · U · 2026 rulebook · 3 open questions
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Has its own rules · T · 2026 rulebook · 2 open questions
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Has its own rules · V · 2026 rulebook · 4 open questions
freestyle
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Has its own rules · CC · 2026 rulebook · open class · 3 open questions
Read the 2026 rulebook · Where the rulebooks differ · Signed checks on parts the shop sells
Classes are one way in. To start from the part instead, and see how many classes answer it, legality by part lists every part any of the three rulebooks addresses.
29 classes · 29 with their own rules · 2026 rulebook