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A Bimota motorcycle passes spectators at Ballaugh Bridge on the Mountain Course during the 2015 Isle of Man TT.

HISTORY · ISLE OF MAN TT

A century of speed on the Mountain Course

The riders, machines and island traditions that shaped the Tourist Trophy.

Photo: Mark Walker / Wikimedia Commons, CC BY-SA 2.0

By Does Your Duck Quack

At a glance

The Isle of Man TT began in 1907 and became inseparable from the Mountain Course in 1911. Its history connects the development of the motorcycle with a demanding journey through towns, villages and open upland roads. A first visit makes more sense when you understand that the TT is a meeting containing several races, each with its own machinery and traditions. Official TT history

The modern solo format sends riders away individually, with elapsed time deciding the result. The motorcycle you see first can therefore be behind a later starter on corrected time. Listen to the commentary alongside the passing engines: a few seconds gained between timing points can transform a race while the riders remain miles apart. 2025 sporting regulations

The island also has its own sporting identity. Local riders, volunteers and residents share the course with competitors and visitors from overseas. The TT’s appeal grows from that relationship between an international contest and ordinary places whose names become part of motorcycling vocabulary.

Origins

Early promoters needed roads on which motor vehicles could compete legally. Manx legislation in 1904 opened the way for organised automobile racing, and the motorcycle Tourist Trophy followed in 1907. Its touring roots were explicit: the first regulations concerned fuel consumption as well as equipment such as mudguards and silencers. Competition was a practical test of what a motorcycle could sustain. The early TT

The opening races used the St John’s Course. Charlie Collier won the single-cylinder class on a Matchless; Rem Fowler took the twin-cylinder honours on a Norton. Those separate categories established a useful theme for the event’s future. Different kinds of machine could win their own contest, allowing engineering approaches to be compared without reducing an entire meeting to one outright result. 1907 origins

The move to the Snaefell Mountain Course in 1911 brought the first Senior TT. Oliver Godfrey won that race on an Indian. The Senior acquired particular prestige as a major target for manufacturers and riders, a position that helps explain the attention still paid to its trophy. Its name describes a race category, with eligibility changing through time. The Senior’s beginnings

Honda’s first TT expedition in 1959 finished with a constructor’s prize, and the company returned with much greater success in 1961. Its own account follows the mechanics, riders and technical lessons behind that progress. The early touring test had become a place where an ambitious manufacturer could measure itself internationally. To understand the TT’s influence, imagine the results travelling home with engineers: reliability, suspension and braking were practical questions to solve before the next attempt. The island connected a local road race to a much wider industrial story. Honda’s first challenge

The Manx Grand Prix and Classic TT

The Manx Grand Prix grew from a different need. As professional teams became stronger at the TT, the Manx Motor Cycle Club sought opportunities for amateur and private competitors. The first Manx Amateur races ran in 1923; the Manx Grand Prix name followed in 1930 after arguments over amateur eligibility. This gave the Mountain Course a second sporting tradition, with its own competitors, ambitions and honours. Manx Motor Cycle Club history

Classic classes arrived at the Manx in 1983. In 2013 their promotion passed to the Isle of Man Government under the Classic TT banner, while the club retained the Manx Grand Prix. The Classic TT first ran from 2013 to 2019 and returned in 2025. These races let historic designs work hard on the course, so the sound and handling of earlier eras remain part of a living competition. Classic TT background; the club’s account

The summer events are a rewarding way to follow this wider story. A newcomer establishing a Mountain Course career and an experienced TT winner riding a period motorcycle represent different strands of the same island culture. Our summer racing guide explains how the Manx Grand Prix and Classic TT fit into a visit.

How the course has changed

The largest geographical change came early: the short western course of the first TT gave way to the mountain route. Today a lap measures 37.73 miles. Distance changes the sporting problem. A rider must retain a long sequence of braking points, surface changes and landmarks, then repeat that knowledge accurately while the motorcycle consumes fuel and tyres. Mountain Course distance

The TT has also used other layouts for particular classes. Honda’s account of its first visit in 1959 places the 125cc race on the shorter Clypse Course. The Japanese team’s experience illustrates how an apparently familiar event name can conceal a different route. Small-capacity racing there formed part of a manufacturer’s education that would influence motorcycles far beyond the island. Honda’s 1959 account

On the Mountain Course, the final miles offer a useful lesson in variety. Keppel Gate, Kate’s Cottage, Creg-ny-Baa and Hillberry place very different corners and sightlines close together. The official spectator guide describes long views towards Keppel and the descent to Kate’s, followed by the sweeping approach to Creg-ny-Baa. Learning those names turns an onboard film into a recognisable journey. The final course sector

The event’s institutional setting changed too. The TT hosted the opening round of the new motorcycle world championship in 1949; 1976 was its final year within that championship. Its later history developed around the special demands of road racing and changing production machinery. That separation helps explain why a modern TT career has a different shape from a Grand Prix season. World championship years

Race distance provides another layer of change. The published 2025 programme scheduled six laps for Superbike and Senior, four for Supersport, and three for Superstock, Supertwin and Sidecar races. Those were planned distances: actual races could be shortened, as happened that year. A lap record measures one circuit; a race record belongs to its specified distance. Scheduled race distances

Great races and moments

1967: Hailwood and Agostini

Mike Hailwood’s Honda and Giacomo Agostini’s MV Agusta created a defining Senior TT contest in 1967. Their duel ended when Agostini’s chain broke on the fifth lap at Windy Corner, leaving Hailwood to win. The result contains two stories: the speed of the riders and the endurance of their equipment. A performance can be extraordinary long before its final outcome is settled. The 1967 duel

1978: Hailwood comes back

Hailwood’s return in 1978 produced victory on a Ducati 900 SS in the Formula One TT. Ducati’s own history traces the project through a meeting with Manchester dealer Steve Wynne and the preparation of the motorcycles. The comeback joined a famous rider to a machine with a very different character from his earlier Grand Prix mounts. It remains a compelling example of experience meeting a fresh technical challenge. Ducati’s account

The appeal of that story lies in the uncertainty before the start. Familiarity with an earlier era could not settle whether a returning competitor and a new combination would succeed together. Looking at the motorcycle as well as the name helps reveal the work behind a celebrated comeback: preparation, confidence and the ability to learn were all part of the contest.

1992: Hislop against Fogarty

Steve Hislop’s white Norton and Carl Fogarty’s Yamaha made the 1992 Senior another enduring reference point. Hislop won after a contest in which both riders pushed the lap record. Their separate starting positions also make it an excellent introduction to time-trial drama. The decisive rivalry unfolded through timing boards and sector reports, demanding a response to an opponent who could be out of sight. Hislop and the Scottish story

2010: a complete solo sweep

Ian Hutchinson won all five solo races available in 2010, completing the sequence in the Senior. The official race archive identifies that final race as a shortened four-lap contest. Winning every solo category required repeated changes of rhythm and machinery across the meeting. It also required finishing each race: the achievement belongs to sustained preparation across a week, beyond any single spectacular lap. The 2010 Senior

2023: the outright record in Superstock

Peter Hickman’s final lap in the second 2023 Superstock race raised the outright benchmark to 136.358mph. On his BMW he completed the course in 16 minutes 36.115 seconds. The class matters here. The fastest official lap was achieved in a Superstock race, demonstrating how effectively a rider and a production-derived motorcycle could use the full course. Hickman’s record race

2024–25: the winning total changes

On 5 June 2024 Michael Dunlop won the first Supertwin race for his 27th TT victory, moving past Joey Dunlop’s 26. He finished that meeting on 29, then won both Supersport and both Supertwin races in 2025 to reach 33. The breadth of those wins rewards following the smaller solo classes closely; their achievements count equally in a rider’s overall TT total. The record-breaking win; The 33rd victory

Davey Todd’s 2025 Superbike win supplied a different kind of milestone. He beat Michael Dunlop by 1.296 seconds over four laps, with a single pit stop affecting the balance between them. Dunlop was quicker on the final lap, but Todd retained enough of his accumulated advantage. That is a particularly useful race to replay before visiting: the winning performance combines sectors, laps and pit work, with a margin small enough for every part of the journey to matter. The 2025 Superbike finish

There was also an important finish without a race in 2025. The Senior was cancelled after competitors reported concerns about high, differently directed winds following an inspection lap. That decision belongs in the event’s history alongside its speed milestones. On a long road course, recognising unsuitable conditions is part of organising the competition responsibly. The 2025 Senior decision

The British story at the TT

British riders appear throughout the TT’s history, although the island’s contribution deserves its own place. Scotland supplied Bob McIntyre, whose 1957 Senior brought the first 100mph Mountain Course lap, and later Steve Hislop. McIntyre’s milestone gave spectators a memorable threshold; Hislop’s career showed how that pursuit continued through another generation of motorcycles. Scotland at the TT

England’s John McGuinness had accumulated 23 TT victories by the end of 2025. His tally stretches across different categories and includes the 2015 Senior, his latest TT win at that cutoff. Honda’s account of the 2025 meeting also shows the continuing presence of established riders alongside newer winners. The TT allows several career stages to share the same paddock and timing screens. Honda’s TT assessment; the 2015 Senior

Northern Ireland’s Dunlop family connects the TT to the broader road-racing world across the Irish Sea. Joey’s 26 wins remained the target Michael eventually passed. Family history is inseparable from loss, and that subject deserves care. The achievement to examine is the racing itself: different classes, long careers and repeated performances under pressure, with respect for the people and communities behind them. The Dunlop milestone

The Manx sidecar story adds an essential perspective. Ryan and Callum Crowe won both races in 2025 and raised the class lap record to 121.021mph. Their partnership brings passenger movement and driver control into the same performance. Watch their changes of body position and the shape of the outfit through a corner to appreciate a discipline with its own technique and history. The Crowes’ record lap; 2025 award winners

For a British first-timer, following these connected careers offers a better starting point than trying to memorise every winner. Choose a solo rider, a sidecar crew and a newcomer, then follow their progress through qualifying and racing. The varied results will show how course knowledge, mechanical preparation and judgement develop at different speeds.

Records and numbers

These figures are measured at the end of 2025. A TT victory means an individual race win in an eligible class, so a rider can add several wins at one meeting. The overall total includes different eras and changing programmes. It is therefore useful to read the total alongside the classes, available races and years of the career. TT results database

Selected TT benchmarks through the end of 2025
MeasureFigureMeaning
Michael Dunlop33 winsIndividual TT race victories across classes.
Joey Dunlop26 winsCareer TT race wins, completed in 2000.
John McGuinness23 winsCareer TT race wins through this cutoff.
Outright lap136.358mphPeter Hickman, 2023 Superstock race two; 16:36.115.
Solo wins at one meeting5Ian Hutchinson’s complete 2010 solo sweep.
2025 Sidecar lap121.021mphRyan and Callum Crowe, first Sidecar race.

The winning totals combine the 2025 Dunlop report with the official career results; the speed figures come from the linked race reports.

The lap figure is an average across every corner and straight. A speed-trap reading measures a moment at one location, while a race average includes the complete classified contest. Official TT lap records are set during races. Qualifying performances can attract attention and still belong in a separate comparison. How TT records work

Class names need the same care. A Supertwin is a type of motorcycle category; it is separate from the three-wheeled Sidecar class. Senior is the name of a race, while Superbike and Superstock distinguish technical rules. Those definitions help explain why the outright lap, an individual class record and the meeting’s largest winning total can belong to different competitors.

A timeline

  1. 1907: The Tourist Trophy begins on the St John’s Course, with separate single- and twin-cylinder contests.
  2. 1911: Racing moves to the Mountain Course and the first Senior TT is held.
  3. 1923: The Manx Amateur races establish the event that becomes the Manx Grand Prix in 1930.
  4. 1949: The TT stages the first round of the new motorcycle world championship.
  5. 1957: Bob McIntyre records the first 100mph Mountain Course lap.
  6. 1976: The TT makes its final appearance within the Grand Prix world championship.
  7. 1978: Mike Hailwood returns to win the Formula One TT for Ducati.
  8. 1992: Steve Hislop wins the celebrated Senior contest against Carl Fogarty.
  9. 2010: Ian Hutchinson completes five solo wins in one meeting.
  10. 2023: Peter Hickman sets the 136.358mph outright lap record.
  11. 2024–25: Michael Dunlop passes Joey’s total and reaches 33 TT wins.

The key dates follow the official history, club history and the race reports linked above.

See it for yourself

Begin with our Isle of Man TT visitor guide, then match your viewing choice to the part of the history you want to understand. The start area reveals the individual departures and pit work; a legal roadside position reveals how precisely competitors use a familiar piece of road. Bring a way to hear commentary so that elapsed-time battles remain intelligible.

Choose your position before the closure and follow marshals’ instructions throughout the session. Stay out of prohibited areas and wait until roads are officially reopened before entering the course. These working roads belong to a community throughout the fortnight, so leave access routes clear and take your rubbish away. Official spectator guidance

A first trip benefits from room in the itinerary for a delayed session and a quiet day exploring. Our race weekend kit guide helps with the essentials, while riding to the races considers the journey with a motorcycle. The summer racing guide offers another route into the course through the Manx Grand Prix and Classic TT.

After watching, revisit an archive race from the same area. A corner you have seen at walking pace becomes easier to read on film: the camber, distance between landmarks and sudden disappearance over a crest gain meaning. That connection between place and memory is one of the lasting rewards of visiting the TT.

FAQs

When did the Isle of Man TT begin?

The first Tourist Trophy motorcycle races took place in 1907 on the St John’s Course. The event moved to the Snaefell Mountain Course in 1911, when the first Senior TT was also held. The original winners were Charlie Collier in the single-cylinder class and Rem Fowler in the twin-cylinder class.

Why do TT riders start separately?

The modern solo races use individual starts at ten-second intervals. Results depend on elapsed time, so road order can differ from the classification. Commentary and timing information help spectators follow a lead that may change between riders who are physically far apart around the course.

Who had the most TT wins at the end of 2025?

Michael Dunlop led with 33 individual TT race wins across classes. He had passed Joey Dunlop’s 26 by winning the first Supertwin race on 5 June 2024. Four further victories in the 2025 Supersport and Supertwin races raised his total from 29 to 33.

What is the difference between the TT, Manx Grand Prix and Classic TT?

They are separate events sharing the Mountain Course. The Manx grew from amateur races first held in 1923, developing opportunities for private competitors and newcomers. The Classic TT celebrates historic racing machinery in competition; it first ran in 2013 and returned in 2025 after its initial 2013–19 period.

What was the TT lap record at the end of 2025?

Peter Hickman’s 2023 Superstock race lap stood at 16 minutes 36.115 seconds, an average of 136.358mph around the 37.73-mile Mountain Course. It was the outright official race lap record as well as the Superstock benchmark. A speed-trap maximum describes a different measurement.

Sources