The race, in three figures
The race, in words
In the Open division at Heerenveen 2025, Arjan Onstwedder crossed the line in 1:15:48: 276th of 1,217 men, faster than 77% of the field.
Nowhere gained more than the sled pull: 1:03 on the median. Paced to finish: the second half went 1:21 better against the middle of the field than the first.
The field ran 2:28 faster at Heerenveen 2025 than at Belgium 2025, a quicker course than most.
Eight blocks
Bar = field beaten · tick = median
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Block 01 8:35Running 1 4:23v median −0:08
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Block 02 7:12Running 2 4:25v median −0:14
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Block 03 8:16Running 3 4:34v median −0:24
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Block 04 9:22Running 4 4:33v median −0:27
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Block 05 9:12Running 5 4:34v median −0:37
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Block 06 6:17Running 6 4:28v median −0:33
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Block 07 8:52Running 7 4:33v median −0:30
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Block 08 10:45Running 8 5:22v median −0:24
Roxzone, per block
Approach · Exit 7:25
Against the middle of your field
Men · n = 1191
A pace, not a person: at every mat, the middle of the 1,191 men who finished.