A middle aged woman heads out for a run with her dog on a lead. Before setting off she takes a gel as pre-race practice. Unusually for her she wears her Garmin to measure distance and pace. It has rained recently but has stopped. She runs along a tow path towards an old railway line that has been laid with gravel and retained as a cycle path. The path runs through forest and alongside fields. She runs for 2 miles to warm up and then proceeds to push faster into a tempo pace for 8 consecutive miles, pausing only to cross a busy main road and a less busy village road. She encounters dog walkers, cyclists, walkers and a horse rider. Fortunately, the dog manages to maintain bowel control for the duration of the tempo miles. After running out for 6 miles she loops back for the remaining 6 miles. Her tempo miles paces seem to vary wildly coming in at 7:17m/m for the first two, then dipping into the sub-7 territory ranging from 6:40m/m to 6:55m/m in no particular order.
Please explain why this pacing should have occurred. She has no bloody clue.
You have 15 minutes to answer this question. (10 marks)