this into this fartlek session this week:(2 mins easy, 30 secs hard, 1 min 30 secs easy,  30 sec hard) x 10. Cool down (10 mins)…where the 'hard' is 6:26 min-mile pace. The second area is my posture. I'm an incredibly inefficient runner, which I think is largely down

drizzle later on, the conditions looked perfect for quick times out on the course.After a swoop over the start line from the grieving Red Arrows, Mo Farah fired the starting pistol and began an epic 40-minute high-fiving session with the runners. Thanks

me every week. But what was interesting was the point where I hit my anaerobic threshold. This happened when I hit 145 bpm (a 9.6 min/mile pace or 10km.hr). That sounds quite slow to me, but could go a long way to explaining as to why I've struggled