I had two mishaps on this trip, both probably due to mental and physical fatigue. The first mishap embarrassingly occurred just metres from the summit cairn when I began my descent. My right foot got stuck in a crack, and I flipped onto my back. Luckily, my daypack cushioned my fall, but I ended up in a most awkward position with my head pointed down-slope and my right foot twisted around and still jammed in the crack. For a few moments, I was completely helpless as I couldn't shift my weight to release my right foot (it's amazing that I didn't twist my knee or ankle). I was about to try untying my bootlace when my foot suddenly came free. Lots of cursing followed. The second mishap occurred later on while I was on the trail that is "easy to follow even without a headlamp". I was cruising along at a fast clip when I suddenly tripped over a small rock sending me crashing head over heels into some deadfall beside the trail. I banged my left knee pretty good in the process. More cursing followed.
My round-trip time was a little less than 9.5 hours.