Agree condition differences between the two make comparisons difficult but my takeaway was that beetroot could have added at most a few seconds and most probably nothing at all.
Beetroot seems to have the attention of sports scientists and a few pro athletes. i wasn't convinced and wanted my own data. If you don't think this provides any relevant evidence then fine. Not sure it warrants the abuse above though tbh.
Pint of beetroot juice daily pre-race. Decent training (90-105km pw). Flat course, laser focus, all-out effort, even pacing. Result: 2.43 pb
London marathon apr 2014:
no beetroot juice. No training at all for previous 6 months beyond a couple of 20k and some erging. Hot day, no attempt on pb, bad pacing (4min pos split). 30sec pee break at 20 miles. Result: 2.47.
now you can argue how much of that 4 mins the lack of training and focus contributed to, but my feeling is that with better prep I could have replicated the 2.43 pb and that beet root juice has no effect at all.
Lots of people around PP were telling him (or each other) that he was going too fast, but I think that was just wishful thinking on their parts - but he started right at the front and the other pacers may not have.
Btw, well done on your amazing time CD - just stalked you on the sub 3 thread.
i believe PP finished in 2:58:46, which is pretty much exactly what you'd hope for from a 2:59 pacer. This is in contrast to the other 3 hr pacers, one of whom finished slightly outside 3hrs (not ideal) and another who seems to have vanished after 25k. Now i get why they need 3 pacers for every time cat.