The race, in three figures
The race, in words
1:51:41 at Heerenveen 2026 put Jowi Kalsbeek 466th of 490 men in the Open division.
On the wall balls the field had the edge, by 5:04. Paced to finish: the second half went 1:01 better against the middle of the field than the first. The roxzone cost time: 15:22, behind 97% of the field.
This was a quick course. Against their other races this season, the people who raced Heerenveen gained about 2:11.
Eight blocks
Bar = field beaten · tick = median
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Block 01 9:15Running 1 4:29v median −0:01
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Block 02 7:43Running 2 6:02v median +1:23
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Block 03 10:19Running 3 6:30v median +1:36
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Block 04 16:38Running 4 6:20v median +1:26
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Block 05 12:53Running 5 7:53v median +2:46
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Block 06 8:47Running 6 6:56v median +1:57
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Block 07 11:08Running 7 6:50v median +1:50
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Block 08 19:42Running 8 8:01v median +2:23
Roxzone, per block
Approach · Exit 15:22
Against the middle of your field
Men · n = 479
A pace, not a person: at every mat, the middle of the 479 men who finished.