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"But Nike is instead looking to carve a full three minutes, or about 2.5 percent, off the record—an unusual, though not entirely unprecedented, leap. Paula Radcliffe lowered the women’s marathon record twice for a total improvement of almost exactly 2.5 percent over the previous record; her record of 2:15:25, set in 2003, still stands."
Remind me again what was going on in the early 2000s?
"It’s unclear whether the record, if achieved, will be sanctioned by the rule-bodies such as the IAAF or the Association of Road Racing Statisticians."
If it's not then it's not a record, because I've done more than 26 miles a lot faster than 2hrs already, whilst NOT following IAAF rules.