The 17th Milestone is one of the numbered mile markers along the Snaefell Mountain Course. No specific history beyond its role as a distance marker was found.
This is a registered office building on Finch Road, Douglas, part of a Georgian-era street close to the Legislative Buildings. No further verifiable historical detail specific to 18 Finch Road could be found.
The 18th Milestone falls within the Quarry Bends complex on the descent between Ballaugh and Sulby. Wikipedia's course guide notes this stretch of curves takes its name from a former stone quarry that was once served by a railway siding, but no separate history is recorded for the milestone marker itself.
19 Governors Road is one of five adjoining houses on Governors Road, Onchan, all registered as protected buildings on the same date, 11 September 1989. No further verifiable history of this particular house's construction or occupants was found.
The 19th Milestone sits almost exactly at Caley's, a left-hand kink renamed in 2017 to honour Raymond Caley, a well-known local shopkeeper, right at the start of the mile-and-a-half Sulby Straight.
The 1st Milestone is one of the numbered mile markers spaced along the 37.73-mile Snaefell Mountain Course. No incident, naming, or other history specific to this marker was found beyond its role as a distance reference point.
This dwelling and cottage at 2 Parliament Square were entered on the Protected Buildings Register in 1984 by reason of their architectural or historic interest. No further documented history beyond the bare registration record was found.
2 Quay Lane is a Registered Building in Castletown, entered on the Protected Buildings Register in 1984 for its architectural or historic interest. No further documented history beyond the registration record itself was found.
This is a registered house on Church Street, Douglas. No further verifiable historical detail specific to 20 Church Street could be found beyond its listing on the Isle of Man's Registered Buildings register.
This is a registered office building on Finch Road, Douglas, part of a Georgian-era street close to the Legislative Buildings. No further verifiable historical detail specific to 20 Finch Road could be found.
20 Victoria Street sits on Douglas's principal Victorian shopping thoroughfare, in the heart of the town's commercial core. Isle of Man Government planning records show the building (paired with neighbouring 18A) received registered building consent in November 2015 to convert its ground-floor retail premises into a coffee shop, including internal alterations and the blocking-up of one entrance and creation of another. Beyond that recorded consent, no further verified detail on its origins or earlier occupants was found.
The 20th Milestone lies close to Sulby Bridge, the wide right-hander at the end of Sulby Straight where the course crosses the Sulby River before the climb to Ginger Hall.
21 Governors Road is one of five adjoining houses on Governors Road, Onchan, all registered as protected buildings on the same date, 11 September 1989. No further verifiable history of this particular house's construction or occupants was found.
No additional history was found for the 21st Milestone. It falls on open road between the Kerrowmoar bends and Glentramman, a stretch of the course that has no distinct name of its own.
This is a registered house on Church Street, Douglas. No further verifiable historical detail specific to 22 Church Street could be found beyond its listing on the Isle of Man's Registered Buildings register.
This is a registered office building on Finch Road, Douglas, part of a Georgian-era street close to the Legislative Buildings. No further verifiable historical detail specific to 22 Finch Road could be found.
No additional history was found for the 22nd Milestone. It lies on the course between Glentramman and the Lezayre (Churchtown) section, without a name or recorded incident of its own.
23 Governors Road is one of five adjoining houses on Governors Road, Onchan, all registered as protected buildings on the same date, 11 September 1989. No further verifiable history of this particular house's construction or occupants was found.
The 23rd Milestone falls a little before School House Corner, a left curve by a former schoolhouse with a pedestrian overbridge, on the run in toward Ramsey.
This is a registered house on Church Street, Douglas. No further verifiable historical detail specific to 24 Church Street could be found beyond its listing on the Isle of Man's Registered Buildings register.
25 Governors Road is one of five adjoining houses on Governors Road, Onchan, all registered as protected buildings on the same date, 11 September 1989. No further verifiable history of this particular house's construction or occupants was found.
The 25th Milestone falls close to Tower Bends, an S-bend named for the 45-foot granite tower on Albert's Mount, just before the course reaches the Gooseneck and Waterworks on the way up to Ramsey Hairpin's aftermath toward the mountain.
26 Victoria Street, also known as Victoria House, sits on Douglas's main commercial thoroughfare among the Island's principal banks and retailers. It is a registered building on Victoria Street and has historically been used as commercial office space. No further verifiable detail about its construction date, architect, or earlier history was found.