{{Short description|none}} [[File:Glenn Curtiss on his V-8 motorcycle, Ormond Beach, Florida 1907.jpg|thumb|upright=1.35|[[Glenn Curtiss]], fastest person on earth, on his V8 motorcycle in 1907]]{{Use dmy dates|date=September 2019}}[[File:Motorcycle world land speed record.png|thumb|upright=1.35|Speed (mph) by year.]] The '''motorcycle land-speed record''' is the fastest speed achieved by a [[motorcycle]] on land. It is standardized as the speed over a course of fixed length, averaged over two runs in opposite directions. [[American Motorcyclist Association|AMA]] National Land Speed Records requires two passes the same calendar day in opposite directions over a timed mile/kilometre while [[Fédération Internationale de Motocyclisme|FIM]] Land Speed World Records require two passes in opposite directions to be over a timed mile/kilometre completed within two hours.<ref>{{Cite web|url=https://bonnevillespeedtrials.com/rulesclasses/|title=Rules & Records|date=2014-02-23|website=Bonneville Motorcycle Speed Trials|language=en-US|access-date=2019-09-02|archive-date=5 December 2020|archive-url=https://web.archive.org/web/20201205220551/https://bonnevillespeedtrials.com/rulesclasses/|url-status=dead}}</ref> These are special or modified motorcycles, distinct from the [[List of fastest production motorcycles|fastest production motorcycles]]. The first official FIM record was set in 1920, when Gene Walker rode an [[Indian (motorcycle)|Indian]] on [[Daytona Beach]] at {{convert|104.12|mph|abbr=on}}. Since late 2010, the [[Ack Attack]] team has held the motorcycle land speed record at {{convert|376.36|mph|abbr=on}}.
==History==
The first generally recognized motorcycle speed records were set unofficially by [[Glenn Curtiss]], using engines of his own manufacture, first in 1903, when he achieved {{convert|64|mph|abbr=on}} at [[Yonkers, New York]] using a [[V-twin engine|V-twin]], and then on January 24, 1907, on [[Ormond Beach]], [[Florida]], when he achieved {{convert|136.27|mph|abbr=on}} using a [[V8 engine|V8]] housed in a spindly tube chassis with direct shaft drive to the rear wheel.<ref name=Harvey2005>{{harvtxt|Harvey|2005}} p. 253</ref> An attempted return run was foiled when his drive shaft came loose at speed, yet he was able to wrestle the machine to a stop without injury. The [[Curtiss V-8 motorcycle]] is currently in the Transportation collection of the [[Smithsonian Institution]]; a replica was presented in 2025.
Curtiss's 1907 record was for a few years the fastest speed any person had ever travelled under power: the [[Land speed record for rail vehicles|rail record]] stood at {{convert|210.2|km/h|mph|0|abbr=on}}, achieved in Germany when in 1903 electric powered [[Experimental three-phase railcar]]s of AEG and Siemens competed. First [[Land speed record|motor car records]] had been set in the 1890s by [[Battery electric vehicle|battery electric car]]s, then bettered by ICE-powered automobiles to 109 mph in 1905, beating steam locomotives. At the time, Europeans used roads in France or beaches in Belgium that soon were too short. The opening of the [[Brooklands]] banked oval did not help much regarding overall speed records, as the [[Blitzen Benz]] cars were limited by the track in 1909. On long beaches in Florida, a steam car made to win the record did so in 1906, at {{convert|127.66|mph|abbr=on}}, but both the steamer and Curtiss were beaten when the Benz cars arrived there in 1911.
In the air, airships were to big to be fast, and airplanes barely did fly in public before 1906. The [[Wright Brothers]] claimed to have achieved {{convert|37.85|mph|abbr=on}} in 1905, and resumed flying only in 1908, after [[air speed record]]s officially recognized by FAI had been set in France. Airplanes gained speed in the early 1910, catching up to land vehicles, then the war broke out. Afterwards, airplanes always were faster, aided by lower drag in altitude, and some vehicles used aircraft powerplants.
[[File:William A. 'Bill' Johnson, USA, Motorcycle land-speed record, 1962-09-09, Bonneville Salt Flats, on 'Dudek Triumph Streamliner'.jpg|thumb|upright|William A. 'Bill' Johnson, USA, Motorcycle land-speed record on 1962-09-09, Bonneville Salt Flats with ''Dudek Triumph Streamliner'']] The first officially sanctioned [[Fédération Internationale de Motocyclisme]] (FIM) record was set in 1920, when Gene Walker rode an [[Indian (motorcycle)|Indian]] on [[Daytona Beach]] at {{convert|104.12|mph|abbr=on}}. Curtiss in 1907 had used a large 4-liter V8 aircraft engine not practical for riding on public roads, and it failed on the return run. The first FIM-sanctioned record to exceed his speed did not occur until 1930, at [[Arpajon]] in France, when an [[Osborn Engineering Company#Speed Record|OEC]] special with a 1,000cc supercharged [[J. A. Prestwich Industries|JAP]] V-twin engine averaged {{convert|137|mph|abbr=on}} over the required two-way runs. The 1930s saw an international battle between the [[History of BMW motorcycles|BMW]]s ridden by [[Ernst Jakob Henne|Ernst Henne]] and various JAP-powered British motorcycles, with the penultimate pre-[[World War II]] record being taken in 1937 by Italy's [[Gilera]], shortly before BMW set a final pre-war record of {{convert|173.68|mph|abbr=on}} that stood for 14 years.
After World War II, the German [[NSU Motorenwerke|NSU]] factory battled Britain's [[HRD Motorcycles|Vincent HRD]] and [[Triumph Engineering|Triumph]] for top speed honors during the 1950s. The Germans, both customers and manufacturers, soon moved over to the automobile market, and British-engined machines dominated the 1960s records. New Zealand's [[Burt Munro]] (of the film ''The World's Fastest Indian''), set a speed record at Bonneville in 1967 of {{convert|183|mph|abbr=on}} for a motorcycle with an engine under 1000cc.<ref>https://web.archive.org/web/20200224181629/http://www.scta-bni.org/bonneville-records.html</ref>
A Japanese-engined [[streamliner motorcycle]] first took the record in 1970, and alternated with [[Harley-Davidson]]-engined machines as record-holders until 1990, when [[Dave Campos]]'s streamliner powered by twin Harley-Davidson engines averaged {{convert|322.15|mph|abbr=on}}. That record stood for 16 years before being surpassed in 2006 by the [[Ack Attack]] team's twin [[Suzuki motorcycles|Suzuki]] engined machine at an average of {{convert|342.8|mph|abbr=on}}. The [[BUB Seven Streamliner|BUB]] team, using a custom-built V4 engine, then alternated as record holders with Ack Attack over the next four years. As of April 2026, the Ack Attack team has held the motorcycle land speed record at {{convert|376.36|mph|abbr=on}} since late 2010.
==Jet-engine trike== The fastest record certified by the FIM is that set in 1964 by the [[jet engine|jet-propelled]] [[tricycle]], [[Spirit of America (automobile)|''Spirit of America'']]. It set three [[land speed record|absolute land speed record]]s, the last at {{convert|526.277|mph}}. While such records are usually validated by the [[Fédération Internationale de l'Automobile]], the FIA only certifies vehicles with at least four wheels, while the FIM certifies two- and three-wheelers. Breedlove never intended ''Spirit of America'' to be classified as a motorcycle, despite its tricycle layout, and only approached the FIM after being rejected for record status by the FIA. ''Spirit of America''{{'}}s FIM-ratified record prompted the FIA to add the new category of [[Land speed record#1963–present (jet and rocket propulsion)|thrust-powered]] vehicles to its world record listings. Furthermore, most people think of the tricycle ''Spirit of America'', now part of the permanent collection of Chicago's [[Griffin Museum of Science and Industry]], as a car and not a motorcycle.<ref>"LandSpeed" Louise Ann Noeth, ''Bonneville Salt Flats'', MBI Publishing</ref>
==List of AMA National and FIM World Land Speed records== [[Bonneville Motorcycle Speed Trials|Link to Bonneville Motorcycle Speed Trials AMA National and FIM World Records]]
==List of "absolute" and Streamliner records== {| class="wikitable" style="clear: both;" |- ! rowspan="2" style="width:12%;" |Date ! rowspan="2" style="width:10%;" |Location ! rowspan="2" style="width:13%;" |Rider ! rowspan="2" style="width:15%;" |Make ! rowspan="2" style="width:8%;" |[[Engine displacement]] cc (cu in) ! colspan="2" style="width:8%;" |Speed ! rowspan="2" style="width:12%;" |Comments |- !mph!!km/h |- | 1903 ||[[Yonkers, New York]], US||[[Glenn Curtiss]]||Curtiss V-2||{{Convert|1000|cc|cuin|abbr=on}}||64||103|| over the mile, first (unofficial) World Speed Record, Hercules V-twin<ref name="House2003-31-32">{{harvtxt|House|2003}} [https://books.google.com/books?id=BMCmbp7JaioC&pg=PA31 p. 31-32]</ref> |- |1905 |Blackpool, UK - Average Speed over 1,000m on 27 July 1905. |Henri Cissac |Peugeot 1,489cc V twin |1,489cc |87 |140 |Blackpool Speed Trials |- |24 January 1907||[[Ormond Beach, Florida]], US||[[Glenn Curtiss]]||[[Curtiss V-8 motorcycle|Curtiss V-8]]||{{Convert|4000|cc|cuin|abbr=on}} ||136.27||219.31||Unofficial record stood over 20 years<ref name="House2003-41">{{harvtxt|House|2003}} [https://books.google.com/books?id=BMCmbp7JaioC&pg=PA41 p. 41]</ref><ref name="deCet2002=116">{{harvtxt|de Cet|2002}} [https://books.google.com/books?id=wNzyIcw2vxoC&pg=PA116 p. 116]</ref> |- |14 April 1920||[[Daytona Beach, Florida]], US||[[Gene Walker]]||[[Indian (motorcycle)|Indian]]||{{Convert|994|cc|cuin|abbr=on}} |103.56||166.66||<ref name="Murphy27">{{harvtxt|Murphy|2000}}, p.27.</ref><ref name="Setright1979-238">{{harvtxt|Setright|1979}} p. 238</ref> |- |6 November 1923||[[Brooklands]], UK||[[Claude Temple]]||[[Anzani]]|| |108.48||174.58||<ref name="Murphy27" /> |- |8 June 1924||[[Arpajon]], France ||[[Tommy Turner (motorcyclist)|Tommy Turner]]||[[AJS Special]]-[[AJ Stevens]]||{{Convert|799|cc|cuin|abbr=on}}||110.66||178.08||<ref name="Murphy27" /> |- |6 July 1924||[[Arpajon]], France ||[[Bert le Vack]]||[[Brough Superior]]-JAP]||{{Convert|867|cc|cuin|abbr=on}} |118.99||191.50||<ref name="Murphy27" /> |- |5 September 1926 || Arpajon, France|| Claude F. Temple ||[[Osborn Engineering Company|OEC]]-Temple||{{Convert|996|cc|cuin|abbr=on}} |121.44||195.44||<ref name="Murphy27" /> |- |25 August 1928|| Arpajon, France ||[[Owen Baldwin|Owen M. Baldwin]]||[[Zenith Motorcycles|Zenith]]-JAP||{{Convert|996|cc|cuin|abbr=on}} |124.27||199.99||<ref name="Murphy27" /> |- |25 August 1929|| Arpajon, France || Bert Le Vack || Brough-Superior ||{{Convert|995|cc|cuin|abbr=on}} |129.00||207.6||<ref name="Setright1979-238" /> |- |19 September 1929||[[Ingolstadt]], Germany ||[[Ernst Jakob Henne]]||[[BMW WR 750]]||{{Convert|735|cc|cuin|abbr=on}} |134.67||216.75||<ref name="Murphy27" /> The first successful use of a supercharger for a World Record. |- |31 August 1930||Arpajon, France || Joseph S. Wright |||OEC-Temple JAP||{{Convert|994|cc|cuin|abbr=on}} |137.23||220.99||<ref name="Setright1979-238" /> First official record to exceed Curtiss' pioneering effort. |- |21 September 1930||[[Ingolstadt]], Germany ||[[Ernst Jakob Henne]]||[[BMW WR 750]]||{{Convert|735|cc|cuin|abbr=on}} |137.74||221.67||<ref name="Setright1979-238" /> |- |6 November 1930||[[Cork (city)|Cork]], Ireland|| Joseph S. Wright || Zenith JAP ||{{Convert|995|cc|cuin|abbr=on}} |150.74|| 242.59||<ref name="Murphy27" /> |- |2 November 1932||[[Tát]], Hungary ||[[Ernst Jakob Henne]]|| BMW ||{{Convert|736|cc|cuin|abbr=on}}<ref name="Walker1">{{harvtxt|Walker|1999}} [https://books.google.com/books?id=t5StUPaN3jkC&pg=PA16 p. 16]</ref><ref name="Walker2" /><ref name="SetrightBMW735">{{harvtxt|Setright|1979}} p. 238 lists this as 735 cc, not 736 cc.</ref> |151.86|| 244.40||<ref name="Murphy27" /> |- |30 October 1934||[[Gyon, Hungary]]||[[Ernst Jakob Henne]]|| BMW ||{{Convert|736|cc|cuin|abbr=on}}<ref name="Walker1" /><ref name="Walker2" /><ref name="SetrightBMW735" /> |153.00|| 246.23||<ref name="Murphy27" /> |- |27 September 1935||[[Bundesautobahn 3|A3]] [[autobahn]] ([[Frankfurt]]-[[München]] route), Germany ||[[Ernst Jakob Henne]]|| BMW ||{{Convert|736|cc|cuin|abbr=on}}<ref name="Walker1" /><ref name="Walker2" /><ref name="SetrightBMW735" /> |159.10|| 256.04<ref name="Walker1" /><ref name="Walker2">{{harvtxt|Walker|2001}} p. 188. "Then in 1936, BMW technicians decided to decrease the engine's displacement from 736 to 493. This might have seemed a backwards move, but there was a sound basis for this technical change. [...] The engine was a 493 cc [[DOHC|double-overhead-cam]] with a bore and stroke of 66 x 72 mm, a Zoller [[supercharger]] mounted on the front of the crankshaft [...] This supercharging technology had been under development since 1929, when a production [[BMW R63|R63]] model had been fitted with a positive displacement blower..."</ref><ref>Tragatsch, caption p. 304, credits this run as 256.06 with a [[supercharging|supercharged]] 746 cc, while contradicting this on the same page in a table listing the displacement for the '32-'35 BMWs as 735 cc, and as 495 cc in 1936, rather than 493 cc.</ref> ||<ref name="Murphy27" /> First record over {{convert|250|km/h|mph|abbr=on}} |- |12 October 1936|| A3, Germany ||[[Ernst Jakob Henne]]||[[BMW Type 255]]||{{Convert|493|cc|cuin|abbr=on}}<ref name="Walker1" /><ref name="Walker2" /><ref name="SetrightBMW495">Setright (1979) p. 238 has this as 495 cc.</ref> |169.08|| 272.11||<ref name="Murphy27" /> |- |19 April 1937|| Gyon, Hungary||[[Eric Fernihough]]|| Brough Superior-JAP ||{{Convert|995|cc|cuin|abbr=on}} |169.72|| 273.14||<ref name="Murphy27" /> JAP [[Supercharging|supercharged]]<ref name="Tragatsch304">{{harvtxt|Tragatsch|1984}} p. 304</ref><br>Fernihough was killed in a 1938 attempt<ref name="Tragatsch304" /> |- |21 October 1937||[[Autostrada A4 (Italy)]] ([[Brescia]]-[[Bergamo]] route) ||[[Piero Taruffi]]||[[Gilera]]||{{Convert|492|cc|cuin|abbr=on}} |170.37|| 274.18||<ref name="Murphy27" /> Supercharged four-cylinder. Taruffi famous as [[Grand Prix motor racing|Grand Prix]] driver.<ref name="Setright1979-238" /> |- |28 November 1937|| A3, Germany ||[[Ernst Jakob Henne]]|| BMW ||{{Convert|495|cc|cuin|abbr=on}} |173.68|| 279.50||<ref name="Murphy27" /> Last pre-World War II record |- |1951||[[Bundesautobahn 9|A9]] [[autobahn]] ([[Ingolstadt]]-[[München]] route), Germany ||[[Wilhelm Herz]]||[[NSU Motorenwerke AG|NSU]] Delphin I streamliner ||{{Convert|499|cc|cuin|abbr=on}} |180.29|| 290.322 ||<ref name="Setright1979-238" /> First post-World War II record |- |1955||[[Swannanoa, New Zealand]]|| Russell Wright ||Vincent-HRD||{{Convert|998|cc|cuin|abbr=on}} |184.83 || 297.640||<ref name="Setright1979-238" /> |- |25 September 1955||[[Bonneville Speedway|Bonneville]], US ||John Allen||[[Triumph Engineering Co Ltd|Triumph]]||{{Convert|649|cc|cuin|abbr=on}} |192.719 || 310.151 ||<ref>{{cite journal|date=6 October 1955|title=Fantastic speeds at Utah|journal=The Motor Cycle|publisher=Iliffe & Sons|location=London|volume=95|issue=2739}}</ref> Unratified by FIM<ref name="Murphy40">{{harvtxt|Murphy|2000}}, p.40.</ref>{{Ref label|A|a|none}} |- |2 August 1956|| Bonneville, US || Wilhelm Herz || [[NSU Delphin III]] streamliner ||{{Convert|499|cc|cuin|abbr=on}} |189.5|| 304.97||<ref name="Motorcycle56">{{cite journal|date=9 August 1956|title=Over 210 m.p.h.|journal=The Motor Cycle|publisher=Ilffe & Sons|location=London|volume=97|issue=2782|page=169}}</ref> |- |4 August 1956|| Bonneville, US || Wilhelm Herz || NSU Delphin III streamliner ||{{Convert|499|cc|cuin|abbr=on}} |210.64|| 338.992||First record over 200 mph (320 km/h)<ref name="Motorcycle56" /> |- |6 September 1956|| Bonneville, US || Johnny Allen ||[[Triumph Tiger T110]]||{{Convert|649|cc|cuin|abbr=on}} |214.4 || 345.188||<ref>{{cite journal|date=13 September 1956|title=Allen does it|journal=The Motor Cycle|publisher=Iliffe & Sons|location=London|volume=97|issue=2787|page=344}}</ref> Unratified by FIM<ref name="Tragatsch305">{{harvtxt|Tragatsch|1984}}, p.305.</ref>{{Ref label|B|b|none}} |- |5 September 1962|| Bonneville, US || William A. Johnson || Triumph ||{{Convert|650|cc|cuin|abbr=on}} |224.57 || 361.41||<ref name="MCI">{{cite journal|date=November 1962|title=World's Fastest|journal=Motor Cyclist Illustrated|publisher=City Magazines Ltd|location=London|page=435}}</ref> |- |1966|| Bonneville, US || Robert Leppan || Triumph Special<ref name="Setright1979-238" /> [[Gyronaut X-1]] streamliner<ref name="Tragatsch305" />||{{Convert|1298|cc|cuin|abbr=on}} |245.667 || 395.36|| Triumph Special twin-engined<ref name="Setright1979-238" /> |-
|1970|| Bonneville, US ||[[Don Vesco]]||[[Yamaha Motor Company|Yamaha]] "[[Big Red (motorcycle)|Big Red]]" streamliner ||{{Convert|700|cc|cuin|abbr=on}} |251.66 || 405.25||<ref name="Setright1979-238" /> Two-stroke twin-engined<ref name="Graham">Clayton, Graham, [http://magazinescanada.zinio.com/reader.jsp?issue=416198178&o=int&prev=sub&p=46 The Barber Vintage Motorsports Museum]{{Dead link|date=April 2020 |bot=InternetArchiveBot |fix-attempted=yes }}. p. 46. '' Motorcycle Mojo Magazine ''</ref><br>First record over {{convert|250|mph|km/h|0|abbr=on}} |- |1970|| Bonneville, US ||[[Cal Rayborn]]||[[Harley-Davidson]] streamliner||{{Convert|1480|cc|cuin|abbr=on}} || 265.492 || 410.37 ||<ref name="Setright1979-238" /> single nitro-fueled Sportster engine nicknamed 'Godzilla' built by Warner Riley. |- |28 September 1975|| Bonneville, US || Don Vesco || Yamaha "[[Silver Bird (streamliner)|Silver Bird]]" streamliner ||{{Convert|1480|cc|cuin|abbr=on}} ||302.92 || 487.515 ||<ref name="Setright1979-238" /> First record over {{convert|300|mph|km/h|0|abbr=on}} |- |28 August 1978|| Bonneville, US || Don Vesco ||[[Lightning Bolt (motorcycle)|Lightning Bolt streamliner]]||{{Convert|2030|cc|cuin|abbr=on}} |318.598 || 509.757||[[Turbocharging|Turbocharged]] twin [[Kawasaki Kz1000]] engines. First record over {{convert|500|km/h|mph|0|abbr=on}}<ref name="Murphy64">{{harvtxt|Murphy|2000}}, p.64.</ref> |- |14 July 1990 || Bonneville, US ||[[Dave Campos]]|| Easyriders streamliner ||{{Convert|3000|cc|cuin|abbr=on}} |322.150 || 518.450 || Twin Harley-Davidson engines. Longest held official record, 16 years (see Curtiss' 20 year unofficial record)<ref name="Murphy98">{{harvtxt|Murphy|2000}}, p.98.</ref> |- |3 September 2006 || Bonneville, US || Rocky Robinson ||TOP 1 Oil-[[Ack Attack]] streamliner||{{Convert|2600|cc|cuin|abbr=on}} |342.797 || 551.678 || Twin [[Suzuki]] engines<ref name="motousa">{{cite web|url=http://www.motorcycle-usa.com/2006/10/article/2006-bonneville-streamliner-battle/|title=2006 Bonneville Streamliner Battle|last=Madson|first=Bart|date=18 October 2006|work=Moto USA|publisher=Motorcycle USA.com|access-date=28 August 2016|archive-url=https://web.archive.org/web/20150930233648/http://www.motorcycle-usa.com/2006/10/article/2006-bonneville-streamliner-battle/|archive-date=30 September 2015}}</ref> |- |5 September 2006 || Bonneville, US ||[[Chris Carr (motorcyclist)|Chris Carr]]||[[BUB Seven Streamliner]]||{{Convert|2997|cc|cuin|abbr=on}} |350.884 || 564.693 || BUB/Sierra Design V4<ref name="motousa" /> |- |26 September 2008 || Bonneville, US || Rocky Robinson ||TOP 1 Oil-Ack Attack streamliner||{{Convert|2600|cc|cuin|abbr=on}} |360.913 || 580.833 || Twin Suzuki engines<ref name="Motorcycle.com">{{harvtxt|Motorcycle.com Staff|2008}}</ref> |- |24 September 2009 || Bonneville, US || Chris Carr ||BUB Seven Streamliner||{{Convert|2997|cc|cuin|abbr=on}} | 367.382 || 591.244 || BUB/Sierra Design V4<ref name="Harley2009">{{harvtxt|Harley|2009}}</ref> |- |25 September 2010 || Bonneville, US || Rocky Robinson ||TOP 1 Oil-Ack Attack streamliner||{{Convert|2600|cc|cuin|abbr=on}} | 376.363 || 605.697 || Twin Suzuki engines<ref name="FIM-live.com">{{citation|url=http://www.fim-live.com/en/media/news/2010/news-detail/article/1286193134-new-fim-world-record-bonneville-raceway-utah-usa/|title=New FIM World Record - Bonneville Raceway, Utah (USA)|publisher=FIM|date=October 4, 2010|url-status=dead|archive-url=https://web.archive.org/web/20110228020305/http://www.fim-live.com/en/media/news/2010/news-detail/article/1286193134-new-fim-world-record-bonneville-raceway-utah-usa/|archive-date=February 28, 2011}}</ref> <br />First record over {{convert|600|km/h|mph|0|abbr=on}}
|}
==Notes== {{refbegin}} '''a.''' {{Note label|A|a|none}} At the time, it had been the accepted practice that the FIM would require the [[American Automobile Association]] to carry out official timing for any run in the USA. However shortly before the record attempt the A.A.A. had withdrawn from controlling motor sport, leaving no official body representing the FIM. Although every effort had been made to show the impartiality of the officials and the accuracy of the equipment, after several months the claimed record was not accepted by the FIA as the timing was "not carried out by an official certified by the FIM.".<ref name="MotorcycleDec56">{{cite journal|date=13 December 1956|title=More delaying action|journal=The Motor Cycle|publisher=Iliffe & Sons|location=London|volume=97|issue=2800|page=788}}</ref>
'''b.''' {{Note label|B|b|none}} The issues with official FIM timing of runs in the US were still not resolved at this time. NSU had solved the problem for their runs in August by including accredited timekeepers and officials in the team that they bought over with them from Europe. The [[British Motor Corporation]] had also been attempting record runs that year, and the FIA arranged for a British timekeeper to go to America for these. The equipment he had used for timing the runs was tested and approved by the FIA. However he had to leave America before Allen could make his run, and so the same equipment was used by two Americans who had been given written authority to act as timekeepers on behalf of the FIM. At the FIM meeting in Paris in October, the FIM postponed approval of the record, alleging that the timekeeper was not recognised by the FIM and that no official FIM observer had been present. After further deliberation and investigation, the FIM announced in April 1957 that they were unable to ratify the record claimed as the equipment used had not been approved by them.<ref>{{cite journal|date=11 October 1956|title=Bombshell in Paris|journal=The Motor Cycle|publisher=Iliffe & sons|location=London|volume=97|issue=2791}}</ref><ref name="MotorcycleDec56"/><ref>{{cite journal|date=25 April 1957|title=Sorry story|journal=The Motor Cycle|publisher=Iliffe & sons|location=London|volume=98|issue=2819}}</ref>
{{refend}}
==References== {{reflist}}
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*{{Citation |title=Triumph Streamliners |url=http://triumphlandspeed.com/history |access-date=9 March 2017 |archive-url=https://web.archive.org/web/20170312064301/http://triumphlandspeed.com/history |archive-date=12 March 2017 |url-status=dead }} {{refend}}
==See also== *[[List of fastest production motorcycles]]
==External links== * [http://bonnevillespeedtrials.com/ Bonneville Speed Trials] * [https://web.archive.org/web/20190722081543/https://www.speedtrialsbybub.com/ BUB Motorcycle Speed Trials archive], predecessor to Bonneville Motorcycle Speed Trials * [http://www.uklandspeedracingassociation.co.uk The UK Land Speed Racing Association] {{Webarchive|url=https://web.archive.org/web/20201124125146/http://uklandspeedracingassociation.co.uk/ |date=24 November 2020 }}
{{Extreme motion}} {{Motorcycles}}
{{DEFAULTSORT:Motorcycle Land Speed Record}} [[Category:Motorcycle land speed record| ]] [[Category:Motorcycle sport lists|Land speed record]] [[Category:Lists of technological superlatives|Motorcycle]]