The race, in three figures
The race, in words
Marianne Koster won the 30–34 age group at Heerenveen 2025 in 1:07:10, first of 105.
The wall balls were where this race was made, 2:52 ahead of the median. Paced to finish: the second half went 3:20 better against the middle of the field than the first. Quick through the roxzone: 6:06, ahead of 99% of the field.
The field ran 2:22 faster at Heerenveen 2025 than at Rotterdam 2025, a quicker course than most.
Eight blocks
Bar = field beaten · tick = median
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Block 01 8:27Running 1 3:50v median −1:19
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Block 02 6:11Running 2 4:08v median −1:17
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Block 03 8:25Running 3 4:17v median −1:22
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Block 04 8:38Running 4 4:13v median −1:31
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Block 05 9:07Running 5 4:22v median −1:35
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Block 06 5:52Running 6 4:07v median −1:41
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Block 07 6:58Running 7 4:08v median −1:43
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Block 08 7:35Running 8 4:29v median −2:08
Roxzone, per block
Approach · Exit 6:06
Against the middle of your field
Women · n = 564
A pace, not a person: at every mat, the middle of the 564 women who finished.