RE: Long March Rocket
The whole 'extrapolating times over distances' thing leaves my head spinning and a thin line of drool falling silently from my burbling lips. Given all the race-day factors; side of bed you get out of, weather, hydration/ food intake, running surface, biorhythms, number of cute lycra-clad backsides, etc etc, I've often wondered about the accuracy of this stuff.
For me it doesn't extrapolate too well. I've one unofficial 1:39 and one official 1:40 HM, suggesting a possible marathon time of anywhere between 3:25 to 3:40. Yet my PB (twice, 5 years apart) remains 3:52. And there it shall sit.
That said, if you're hitting PB race pace in training, you are nailing it.
The harder the conflict, the more glorious the triumph
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