The race, in three figures
The race, in words
2:08:23 at Chiba 2026 put Sayo Koike 525th of 589 women in the Open division.
The sandbag lunges cost the most time: 3:06 slower than the median. The race faded late: the second half went 10:25 worse against the middle of the field than the first. The roxzone cost time: 11:13, behind 91% of the field.
The field ran 2:38 faster at Chiba 2026 than at Osaka 2026, a quicker course than most.
Eight blocks
Bar = field beaten · tick = median
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Block 01 12:22Running 1 6:37v median +1:09
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Block 02 9:49Running 2 7:04v median +1:19
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Block 03 13:30Running 3 7:30v median +1:27
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Block 04 16:47Running 4 7:55v median +1:52
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Block 05 15:40Running 5 9:16v median +2:54
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Block 06 13:11Running 6 8:46v median +2:32
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Block 07 18:51Running 7 10:46v median +4:33
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Block 08 17:07Running 8 9:05v median +3:50
Roxzone, per block
Approach · Exit 11:13
Against the middle of your field
Women · n = 588
A pace, not a person: at every mat, the middle of the 588 women who finished.