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Class 1 World Powerboat Championship

Motorboat racing competition

Class 1 World Powerboat Championship

Summary

Motorboat racing competition

FieldValue
nameClass One USA
image-size250px
categoryTwin 1100hp engine Catamaran
country/regionWorldwide
inauguralLeading classes
inaugural21964
enginesMercury Marine Racing division
champion team2019 Champion Team Victory Team
websiteP1Offshore.com

| image-size = 250px | country/region = Worldwide

Driver: Eisa Al Ali Throttle-man: Salem Al Adidi

The UIM Class 1 World Powerboat Championship (also known as Class 1) is the premier international offshore powerboat racing category organized by the Union Internationale Motonautique (UIM). It features high-performance catamarans racing in multi-event championship seasons at coastal venues worldwide.

The championship was established in 1964 following the development of modern offshore powerboat racing in the mid-20th century. It has operated under both single-event and multi-event formats and now runs as a season-long points competition. Class 1 boats are composite catamarans powered by standardized high-output engines and crewed by a driver and throttleman. World Championship titles are awarded based on cumulative race results across each season.

History

The earliest recorded race was held in 1887 in Nice, France, organized by the Paris Sailing Club.

Two further races were recorded in 1903 in France: a 62-mile race in Meulan on the River Seine organized by the Poissy Sailing Club, and a 230-mile race from Paris to Trouville.

Offshore powerboat racing expanded following the Miami–Nassau race in 1956, which led to the introduction of the Sam Griffith Memorial Trophy and, in 1964, a UIM-sanctioned offshore World Championship for Class 1 boats.

From 1964 to 1976, the championship used a multi-race points system, and from 1977 to 1991 it was decided at a single end-of-season event consisting of multiple races. In 1992, the championship returned to the multi-event format.

As of the 2019 season, a Class One USA category was introduced within the APBA Offshore Championship Series, with catamarans powered by twin 9.0-litre Mercury Racing 1100 Competition V8 stern-drive engines as a spec power unit.

In the inaugural 2019 Class One USA season, the Dubai-based Victory Team (Victory 3, crewed by Salem Al Adidi and Eisa Al Ali) secured the overall title at the Roar Offshore Fort Myers event, winning the APBA Offshore Championship Series crown.

Class 1 Grand Prix Dubai 2012

Class 1 Boats

Class 1 offshore race boats are catamarans measuring between 12 and 14 meters (40–45 ft.) in length and with a beam of approximately 3.5 meters (11.5 ft.). They are constructed from composite materials such as carbon fiber and Kevlar, commonly used in high-performance marine applications to achieve an optimal balance between structural strength and weight.

Under current regulations, Class 1 catamarans must meet a minimum weight of 4,950 kg (approximately 5 tons). All competing boats use twin Mercury Racing 9.0-litre 1100 Competition V8 stern-drive engines as the mandatory spec power unit, producing a combined output of 2,200 horsepower. These engines allow Class 1 boats to exceed speeds of approximately 257 km/h (160 mph) under favorable conditions.

The cockpit incorporates reinforced crash structures designed to protect the crew during high-speed impacts, and is fitted with safety features such as canopies, impact-resistant seating, and an escape hatch in the hull. Onboard instrumentation typically includes GPS navigation, trim indicators, and engine management displays, used by the crew to monitor performance during competition.

Two crew members operate a Class 1 race boat: a driver and a throttle man. The driver is responsible for steering the boat and selecting the racing line, while the throttleman manages engine power, trim settings, and balance to optimize performance in varying sea conditions.

Both members wear specialized safety equipment, including impact-resistant helmets, flotation devices, and harness systems compliant with offshore racing regulations. Safety protocols require crews to complete approved training and demonstrate familiarity with emergency procedures before competition.

The Championship

A Class 1 season consists of a series Grands Prix, made up of three official practice sessions, one official qualifying session (known as the pole position session), and two races. The results of each race are combined to determine the winner of the World Championship. The European Championship and the Middle East Championship are defined by specific events in those geographic regions. The results in official qualifying determine the winner of the Pole Position Championship.

Eight races at four venues make up the UIM Class 1 World Powerboat Championship, with races run over approximately 55 or 75 nautical miles (Nm) of multiple laps of approximately 5 Nm (including one or two mandatory long laps).

The World Championship is awarded to the team with the most accumulated points throughout the season. A winning crew collects 20 points, the runners-up 15, with the third-placed team awarded 12 points.

A Grand Prix weekend takes place over three days, with registration, technical scrutineering, the first practice session and driver briefings taking place on day one.

On day two, a practice session is run in the morning, followed immediately by the Edox Pole Position (qualifying), also counting as a separate championship, and Race 1 in the afternoon.

The Edox Pole Position session, like the practice sessions, is held on the Grand Prix course. It allows teams to assess circuit conditions and make technical adjustments to their boat setup. It acts as the qualifier for the line-up for Race 1, with the Pole-sitter (fastest time) lining-up closest to the official start boat. The Edox Pole Position lasts for 45 minutes, with teams having to complete a minimum of one timed lap and allowed to return to the wet pits to make adjustments to set-up, but limited to a total of 10 minutes under the crane.

On day three, a final practice session in the morning is followed in the afternoon by Race 2. Each race is started by a Nor-Tech 3600 Supercat official pace boat, running at a controlled speed, which leads the boats from the wet pits and into a line-abreast under a yellow flag or amber flashing light, a green flag denoting the race start, with the finishing order of the Edox Pole Position dictating the line-up of the boats for Race 1 and the finishing order of Race 1, the start order for Race 2.

Each race consists of approximately 11–15 laps and is 55–75 Nm in length, including one or two mandatory long laps.

Winners

EditionYearDriverHullMotor
11964USA Jim WynneWynneDaytona
21965USA Richard BertramBertramDetroit Diesel
31966USA Jim WynneWynneDaytona
41967USA Don Aronow – USA Norris HouseMagnumMercruiser
51968ITA Vincenzo Balestrieri – USA Don PruettMagnumMercruiser
61969USA Don Aronow – USA Norris HouseCaryMercruiser
71970ITA Vincenzo Balestrieri – USA Jack StutevilleCaryMercruiser
81971USA William Wishnick – USA Robert MooreCigaretteMercruiser
91972USA Bobby Rautbord – USA Robert MooreCigaretteMercruiser
101973ITA Carlo Bonomi – USA Richie PowersCigaretteAeromarine
111974ITA Carlo Bonomi – USA Richie PowersCigaretteAeromarine
121975BRA Wallace Franz – USA Robert MooreBertramAeromarine
131976USA Tom Gentry – USA Richie PowersCigaretteAeromarine
141977USA Betty Cook – USA John ConnorScarabMercruiser
151978ITA Francesco Cosentino – ITA Alberto DiridoniPicchiottiMercruiser
161979USA Betty Cook – USA John ConnorCougarMercruiser
171980USA Michael Meynard – USA Robert IdoniCougarMercruiser
181981USA Jerry Jacoby – USA Keith HazellCigaretteHawk
191982ITA Renato Della Valle – MCO Gianfranco RossiCUVMercruiser
201983USA Tony Garcia – USA Keith HazellCougarRahilly Grady
211984ITA Alberto Petri – ITA Franco StatuaCUVMercruiser
221985USA A.J. Roberts – GBR Steve CurtisCougarKS & W
231986ITA Antonio Gioffredi – ITA Giovanni di MeglioBuzziAifo Iveco
241987GBR Steve Curtis – USA W. FalconCougarKS & W
251988ITA Fabio Buzzi – ITA Romeo FerrarisBuzziSeatek
261989ITA Stefano Casiraghi – ITA Romeo FerrarisBuzziSeatek
271990not awarded
281991ITA Angelo Spelta – ITA Maurizio AmbrogettiCUVIsotta Fraschini
291992ITA Walter Ragazzi – FIN Jukka MattilaSkaterLightning
301993ARE Khalfan Harib – USA Ed ColyerVictorySterling
311994ITA Norberto Ferretti – ITA Luca FerrariTencaraLamborghini
321995ARE Saeed Al Tayer – PRI Felix SerrallesVictorySterling
331996ARE Saeed Al Tayer – PRI Felix SerrallesVictorySterling
341997SAU Laith Pharaon – USA John TomlinsonTencaraLamborghini
351998NOR Bjørn Rune Gjelsten – GBR Steve CurtisTencaraLamborghini
361999ARE Ali Nasser – USA Randy ScismVictorySterling
372000ARE Ali Nasser – ARE Khalfan HaribVictorySteak
382001ARE Mohammed Al Marri – ARE Saeed Al TayerVictoryLamborghini
392002NOR Bjørn Rune Gjelsten – GBR Steve CurtisTencaraLamborghini
402003NOR Bjørn Rune Gjelsten – GBR Steve CurtisVictoryLamborghini
412004NOR Bjørn Rune Gjelsten – GBR Steve CurtisVictoryLamborghini
422005NOR Bård Eker – GBR Steve CurtisVictoryLamborghini
432006NOR Bjørn Rune Gjelsten – GBR Steve CurtisVictoryLamborghini
442007ARE Arif Saif Al Zafeen – FRA Jean-Marc SanchezVictoryLamborghini
452008ARE Mohammed Al Marri – ARE Nadir Bin HendiVictoryVictory
462009ARE Arif Saif Al Zafeen – ARE Nadir Bin HendiVictoryVictory
472010ARE Arif Saif Al Zafeen – ARE Nadir Bin HendiVictoryVictory
482011ARE Arif Saif Al Zafeen – ARE Nadir Bin HendiVictoryVictory
492012ARE Arif Saif Al Zafeen – ARE M. Al MarriVictoryVictory
502013ARE Arif Saif Al Zafeen – ARE M. Al MarriVictoryVictory
512014ARE Arif Saif Al Zafeen – ARE N. Bin HendiVictoryVictory
522015USA Gary Ballough – USA John TomlinsonMTIMercury Racing
532016ARE Arif Saf Al-Zafeen – ARE Nadir Bin HendiVictory TeamVictory V12
542017UAE Eisa Al Ali – ARE Salem Al AldidiVictory Team
552018USA Shaun Torrente – ARE Faleh Al-MansooriTeam Abu Dhabi 4
562019ARE Eisa Al Ali – ARE Salem Al AldidiVictoryMercury Racing
572021UAE Arif Saif Al-Zafeen – UAE Nadir Bin HendiDubai Police
582022USA Travis Pastrana – GBR Steve CurtisHuski Racing
592023ITA Giovanni Carpitella – AUS Darren Nicholson
602024USA Tyler Miller – USA Myrick Coil

References

References

  1. (1990-12-23). "Jim Wynne Dies at 60; A Boating Pioneer (Published 1990)".
  2. Dmitry. (28 July 2025). "What is Offshore Powerboat Class 1? Rules, Specs, Speed, and Main Events".
  3. "P1 Offshore".
  4. Mansfield, Gregg. (7 June 2019). "Favorites Win at Lake Race on Lake of the Ozarks".
  5. "1100 Competition".
  6. "P1 Offshore – The Boats".
  7. Gomes, Alaric. (13 October 2019). "Dubai’s Victory Team triumphs with US crown". Gulf News.
  8. (2021). "222 Offshore Corporate Marketing Proposal 2021".
  9. "The Boats".
  10. Dmitry. (28 July 2025). "What is Offshore Powerboat Class 1? Rules, Specs, Speed, and Main Events".
  11. "1100 Competition".
  12. "Union internationale motonautique".
  13. "Union internationale motonautique".
  14. "Union internationale motonautique".
  15. "Union internationale motonautique".
  16. "Union internationale motonautique".
  17. "UIM Class 1 World Powerboat Championship Official Website".
  18. (6 December 2017). "XCAT Dubai: no surprises in the end, as the title goes to same old Victory Team".
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