Not quite to the extent of your adventure, Matt, but on our trip to Scotland last summer, my dad and I traveled from St. Andrews to Inverness by way of Cruden Bay. Left St. Andrews approximately 8 am, reach Cruden Bay by about 1130 I think after we picked up our rental car, played from 130 - 5, then hopped in the car and drove to Inverness, reaching our hotel there about 930.
Given that we were driving on the wrong side of the road, had not driven anywhere (we had a driver for most of the trip) in a week, and really didn't have any clue where we were going (Cruden Bay ain't exactly right off the motorway), it was pretty impressive that we made it.
Got up the next morning and did 36 at Dornoch. Everyone says we are crazy, but hey, we were on vacation!