The race, in three figures
The race, in words
1:18:56 at London Excel 2025 put Naomi O'Brien 289th of 1,542 women in the Open division, ahead of 81% of the field.
Legs and stations told different stories: 96% of the field beaten on the runs, 48% on the stations. Paced to finish: the second half went 3:52 better against the middle of the field than the first. Time in the roxzone, 10:10, was faster than 93% of the field.
This was a quick course. Against their other races this season, the people who raced London Excel gained about 1:56.
Eight blocks
Bar = field beaten · tick = median
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Block 01 7:43Running 1 2:36v median −1:01
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Block 02 6:06Running 2 3:29v median −0:48
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Block 03 10:11Running 3 3:33v median −0:52
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Block 04 11:13Running 4 3:35v median −0:56
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Block 05 9:04Running 5 3:43v median −0:53
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Block 06 6:37Running 6 3:29v median −1:03
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Block 07 8:13Running 7 3:24v median −1:08
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Block 08 9:48Running 8 5:01v median −1:25
Roxzone, per block
Approach · Exit 10:10
Against the middle of your field
Women · n = 1539
A pace, not a person: at every mat, the middle of the 1,539 women who finished.