The race, in three figures
The race, in words
1:37:33 at Utrecht 2025 put Jos Mastenbroek 952nd of 1,337 men in the Open division.
Legs and stations told different stories: 51% of the field beaten on the runs, 19% on the stations. The sandbag lunges cost the most time: 4:24 slower than the median. A harder second half: 5:25 more lost to the middle of the field after halfway than before it.
Utrecht ran slow: the 1,123 athletes who also raced elsewhere this season were about 1:39 slower here than at their other races. Jos Mastenbroek's fastest of 2 finishes in the Open division.
Eight blocks
Bar = field beaten · tick = median
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Block 01 9:31Running 1 4:48v median +0:00
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Block 02 9:09Running 2 5:04v median −0:10
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Block 03 9:11Running 3 5:14v median −0:27
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Block 04 14:44Running 4 5:24v median −0:16
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Block 05 10:59Running 5 5:41v median −0:10
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Block 06 7:59Running 6 5:35v median −0:08
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Block 07 15:04Running 7 5:32v median −0:07
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Block 08 14:41Running 8 6:38v median +1:45
Roxzone, per block
Approach · Exit 6:21
Against the middle of your field
Men · n = 1291
A pace, not a person: at every mat, the middle of the 1,291 men who finished.