Being able to distinguish between a trough and a mere dip is a bit like owning a grapefruit knife. It’s hardly ever needed, but invaluable when it is. I’m having a dip. Today was supposed to be my 12 mile long run day, as part of the wind down to the Hamburg Marathon in two weeks time. 12 miles today, went the daydream, with a restful 3 or 4 tomorrow.… READ MORE.... …