I've done 8k once before, over a month ago. The holidays kind of got in the way, so I did a series of shorter runs to tide me over, keep up base fitness, 5/6k for the past three or four weeks. Set out to do 6k this morning, it felt good, so I kept going. Ended up doing 10k for the first time in nearly fifty years of my life on this earth!!
Kept it steady, slower than 5k pace (obviously) but it felt good, can't quite believe I've actually done it. And under 60 minutes which was always my mental target.