Yeah Gary, remarkably nice people. Everyone I talked to that was involved in the event thanked me for coming out to watch
The time/distance people at the event initially gave me the total distance as 2120 but I see the website lists it as 2104, which may be the number that goes in the record books. At 2104, Grub's number of 87.6666 mph average is dead on. In either case, figuring in time for turnarounds and pit stops, he had to be doing close to 100 or more for much of the 24 hrs. As Grub said, the record may be broken some day but it's really a high bar for a single rider and a single sled.
The track held up really well, Guess he told the crew it was the best track he'd ever been on. They were able to groom an existing "bomber" tracked vehicle trail that was used to shuttle people and supplies to the Sportsman's Lodge fish houses all winter so the base was really solid. Even at that they still made a few groomer passes during the run.
This was the groomer setup they used.