The race, in three figures
The race, in words
In the Open division at Rotterdam 2025, Koen Groot Koerkamp crossed the line in 1:21:06: 430th of 1,283 men, faster than 67% of the field.
A station race more than a running one: 81% of the field beaten on the stations, against 50% on the runs. The wall balls were where this race was made, 1:21 ahead of the median. Paced to finish: the second half went 2:06 better against the middle of the field than the first.
Rotterdam ran fast: the 1,452 athletes who also raced elsewhere this season were about 0:39 quicker here than at their other races.
Eight blocks
Bar = field beaten · tick = median
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Block 01 9:42Running 1 5:19v median +0:10
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Block 02 7:36Running 2 5:00v median +0:06
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Block 03 9:25Running 3 5:15v median +0:00
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Block 04 11:01Running 4 5:36v median +0:20
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Block 05 10:07Running 5 5:35v median +0:03
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Block 06 6:56Running 6 5:25v median +0:05
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Block 07 9:50Running 7 5:24v median +0:06
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Block 08 10:13Running 8 5:30v median −0:32
Roxzone, per block
Approach · Exit 6:22
Against the middle of your field
Men · n = 1234
A pace, not a person: at every mat, the middle of the 1,234 men who finished.