I don't know what map you mean Garry, no link provided.
I haven't counted any Americans or Andy Murray Garry, only the genuine London winners as they've won an event. The BBC Online have been very helpful in this and in other respects too, as have some other online facilities. The media often like to present the athletes as people popping up from nowhere, but the reality is that they are all very well known and established in their sports and have often won major titles elsewhere. As such they have fans, websites and blogs, plus Wikipedia articles. It's from those sources each time that I've been getting my information, date of birth and where, where they have been educated, lived their lives and/or trained and I rely on that much more than a map with origins I don't know, since I'm getting the very full picture.
There are individual judgments involved of course. For example, Mo Farah was born in Somalia, but he was brought to England as a boy and reared in Hounslow, going to school at Hounslow and college at Feltham, all in London. He first met his wife-to-be while still at school and has therefore lived almost all his life in London other than his short training trips to Africa. This last year he's been in America at Portland, Oregon to train with the greatest running coach of them all, Alberto Salazar, and since he was financed by Nike for that, he was able to take his wife and child there as well. All that means to me that I'm entitled to say he is a London winner.
I haven't just looked up any of that, it's from memory of what I looked up originally, and it shows how thoroughly I've done my job and why I resent the challenge. I doubt anyone in the media has been anything like as thorough.
I put accuracy above my local interest and in the late stages was hanging on the result of the womens modern pentathlon since former world champion Mhairi Spence from Aberdeen was competing, as was Preston's Samantha Murray. If Mhairi had won it would have put Scotland in first place for golds pro rata, ahead of London. Sadly it wasn't to be, but at least Samantha won the silver. Once again I can show without referring back how thoroughly I've done my research, since I know what brought these two together into the common interest of that event. From very different areas, they both went to the University of Bath together.
There can be difficult ones to assess, but luckily the London athletes weren't among them, especially the four in my borough! For example sailing champion Ben Ainslie has differing claims made on him. He was born in Macclesfield, Cheshire, but was reared in Truro, Cornwall. In adult life he lives at Lymington, Hampshire, on the Solent for his sailing interest. From that you might think Cornwall's claim is sound, but in fact his education was in Hampshire, presumably in boarding school, so he was only in Cornwall for school holidays. That of course swings the balance strongly towards Hampshire's claim. Once again, I haven't just looked up any of that, it's what I previously researched. The media may well tell you that he's a Cornish winner, but my thorough assessment says that's wrong.
So sorry Garry, I trust the quality and depth of my own research against any other source and stand by my figures. You should have realised the extent of my research from my earlier reply, showing how of four athletes allocated by others to Dorset, only one was from there, the others from Aberdeen, Manchester and Cardiff. I didn't expect to be questioned in this manner, but I now wish I'd kept a list of every athlete so you could have checked every one of my assessments. Good though my memory is, I can't remember them all now of course.
P.S. I think you might mean this
Ordnance Survey map of where the UK athletes were born Garry. If so, forget it since that's meaningless. It's where they've been predominantly reared, educated and lived their lives that matters, not the location of a maternity ward. Using birth place makes Olympics Gold medal and Tour de France winner Bradley Wiggins a Belgian! As you remarked yourself, Lies, Damn Lies and Statistics indeed!
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