Whatever the case, I was feeling fantastic and a lot faster than I have been previously. Decided to pick it up for a 1km interval halfway through, and without pushing it too hard still came in comfortably under 4:00 despite it being a bit uphill.
There could be something to this change in eating habits. Stay tuned.
Distance : 7.51km
Time : 35:55
Elevation : +35.4 / -33.4