Sun Run training: Too quick at the start, I plod to the finish

As we pass the halfway mark for the Sun Run training clinics, I still have a lot to learn.
I don’t yet have the knack for finding my best pace, as I discovered when my running clinic did a timed five-kilometre run last week.
Back in January, I was running at a very relaxed pace, happy just to run for 45 minutes without slowing to a walk. But I was running with the clinic one night when one of the leaders, my speedy friend Tim, pointed out to me that I could push a bit harder than my conser