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Article 301.04 · 2026 edition
Masters Men
An open class: the rulebook names no manufacturer, and a board gets in by passing a production test instead. The technical regime is a set of measurable limits rather than a list of permissions.
Who may enter Masters Men: age, gender and licence
- Age
- 40 years and over, counted "within the relevant calendar year" as Art. 301.04 puts it.
- Gender
- The rulebook's own phrase is "male biological gender".
- Same weekend
- Art. 301 allows one class per racing weekend, plus Electric Challenge, which is the one exception.
- Licence
- An International licence from the rider's National Authority is compulsory across the championship. Applying for one, through a club, is covered on the how to start MotoSurf racing page.
* Stock Men: does not take the previous season's Stock Men champion, who moves up to Elite Men unless the MotoSurf Committee decides otherwise (Art. 301.03), nor, unless the Motosurf Committee grants an exception, an Elite Men rider under 40 who finished in last season's top 8 or has raced two or more Elite Men rounds this season (Art. 301.01).
* Elite Men: takes a rider only after a completed Stock Men race in the season before, unless the Motosurf Committee grants an exception, and keeps for the rest of the season a rider who has raced two or more of its rounds (Art. 301.01).
Where bars in one group overlap, a rider of that age fits more than one band. Every band counts the age reached during the calendar year, and under Art. 301.09 the Motosurf Committee may still move a rider to another class.
How we know: Each bar is a class record's age band and rider, from the 2026 MotoSurf Rulebook, Art. 301.01 to 301.08.
Which boards the rulebook names for Masters Men
No board is named. Art. 501 asks for proof of production instead: a manufacturer must be able to show on request that the type entered has already been produced in a volume of at least 50 pieces, and a prototype may not be raced.
Technical limits, Article 501
This article covers Elite Men and Masters Men.
- Two stroke displacement
- 106 ccm maximum
- Four stroke displacement
- 212 ccm maximum
- Power
- The rulebook states no power limit of any kind, for any class, in the 2025 edition or the 2026 one. Displacement is the entire engine rule.
- Board length
- 200 cm maximum
- Board width
- Art. 501 sets no width limit, and no other combustion class has one. The 2026 rulebook caps board width in one class only, Electric Challenge, at 80 cm.
- Mass
- 30 kg maximum, without a fuel tank
- Main fin
- 230 mm maximum height, 340 mm maximum length
- Maximum allowed displacement of two-stroke engine is 106 ccm.
- Maximum allowed displacement of four-stroke engine is 212 ccm.
- The power unit shall be built as a single cylinder.
- The combustion engines have to be Naturally aspirated (not supercharged).
- N2O (NOS) is not allowed, for any of the competing surfboards.
Art. 501.
Other requirements in this article
- The complete fuel tank and fuel system must be EPA certified.
- The jet pump impeller must be integrated into the jet pump tunnel of the hull, so that sharp ends of the impeller cannot cause damage.
Fin rules for Masters Men
Art. 501.05 regulates fin dimensions and shape only. Unlike the technical articles for the other classes, it names no fin system, so an Elite Men or Masters Men rider is not required to run FCS.
What the rulebook publishes on fin geometry is on the MotoSurf fin rules page.
Safety gear for Masters Men in the safety articles (4)
- Helmet Art. 507.01 a)
- Life jacket Art. 507.01 c) and 507.02 c)
- Neck brace Art. 507.01 d) and 507.02 d)
- Leash Art. 507.01 e) and 507.02 e)
What each item must meet, and the kit required elsewhere, such as the environmental mat, is on the MotoSurf racing gear page.
Race format: laps in Masters Men
Under Art. 307, Masters Men heats run 7 laps, 3 long, and the final, printed as F1, runs 10 laps, 3 long. The lap chart prints one line for Stock Men / Masters Men, so Stock Men rides the same laps. Race Direction may change the long laps if riders are told at the briefing or by bulletin, so these are a starting point, not a schedule.
The course, the starts and how points are scored are on the MotoSurf race format page.
Title holders named in the rulebooks
- Down Kim, South Korea, printed on the 2025 and 2026 covers as champion of the Masters.
Every season's champions, under the promoter's own class names, are on the MotoSurf champions page.
What changed since the 2025 edition
The 2025 edition ran a single Masters class at minimum age 40. 2026 splits it by gender and gives the women's half a lower age band.
Read from 2026 MotoSurf Rulebook. Nothing on this page is a substitute for the published document at scrutineering.