The women's marathon world record set by Paula Radcliffe in 2003 will stand, despite the advent of new rules mandating that women's marathon world records be set in women-only races. The IAAF announced the decision on Wednesday. Radcliffe, 37, set the 2-hour, 15 minute, 25-second mark at the London Olympics, a mixed-gender race, and track officials later expressed concerns that she had benefitted from male pace-setters. The IAAF is now widely expected to implement a two-track system that recognizes times set in mixed-gender races separately from those achieved in women-only races.
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