As of right now the two fastest women's marathon times this year are the 2:19:12 American NR by Keira D'Amato at the Jan. 16 Chevron Houston Marathon and the 2:20:52 by Japan's Mizuki Matsuda at the Jan. 30 Osaka International Women's Marathon . Dr. Helmut Winter , in charge of the pace projection system used in Houston, wrote to JRN this week to point out that both women had almost identical splits at 30 km, D'Amato clocking 1:39:14 and Matsuda 1:39:15. Both women ran with male pacers, and both set new course records. How else did their runs compare? Both started with almost identical splits, D'Amato in 16:25 for the first 5 km and Matsuda in 16:28. In D'Amato's case she more or less held that through 15 km with an average split of 16:25 before slowing on a section of the course that included its toughest hill. From 15 km to 30 km she clocked 50:00, averaging 16:40 per 5 km. But despite slowing she was never off her target of breaking Deena Kastor ...
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