The Isle of Man TT is one of the most exhilarating motorsport events on the calendar and is revered by motorcycle enthusiasts worldwide as riders and machine are tested to the limit.
Staged for over 100 years, the TT is an annual event that pits some of the most supreme motorcycle riders through the towns and open countryside of the island at incredible speeds.
Isle of Man TT dates
The 2025 Isle of Man TT begins on Monday 26th May and concludes on Saturday 7th June.
Isle of Man TT location
The Isle of Man TT is held on the Isle of Man and starts on Glencrutchery Road in the City of Douglas.
Isle of Man TT circuit
The Isle of Man TT follows the 37.730 mi Mountain Course which heads in a clockwise direction towards Ramsey, before returning towards Douglas via the highest section of the route at Hailwood Rise.
Isle of Man TT history
The origins of the Isle of Man TT date back to 1907 and was originally a competition for both cars and motorcycles, however that altered in 1911 to strictly motorcycles.
The course largely remains the same as the Snaefell Mountain Course first adopted in that year and in 1949, the TT became the venue for the Motorcycle World Championships and held the first ever round of the new series.
Notable riding legends including John Surtees, Giacomo Agostini and Phil Read all contested the TT in the sixties and as machinery progressed, average speeds began to exceed the 100mph barrier.
Mike Hailwood was a dominant figure in the sixties, but the eighties belonged to Joey Dunlop as he won six consecutive TT's from 1983.
2019 marked the 100th anniversary of the race and the event is still going strong today, with Michael Dunlop - the son of Joey - becoming the most decorated rider in the history of the TT by taking his overall tally to 29 victories in 2024.
Isle of Man TT records
Unlike many other motorsport classifications, TT riders are measured on lap times and their average speed around a lap of the Mountain Course.
A breakdown of the average speed records are below.
- Superbike - Michael Dunlop, 2024, Honda, 135.97mph
- Superstock - Peter Hickman, 2023, BMW, 136.358 (absolute course record)
- Supersport - Michael Dunlop, 2023, Yamaha, 130.403
- Supertwin - Michael Dunlop, 2018, Paton, 122.750
- Sidecars - Ben and Tom Birchall, 2023, Honda, 120.645
- Fastest lap by a newcomer - Glenn Irwin, 2022, Honda, 129.85mph
- Fastest lap by a female rider - Jenny Tinmouth, 2020, 119.945
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