The race, in three figures
The race, in words
1:37:58 at Heerenveen 2026 put Sandra Kerstens 329th of 608 women in the Open division.
The sled pull cost the most time: 1:37 slower than the median. Paced to finish: the second half went 4:10 better against the middle of the field than the first.
Heerenveen ran fast: the 532 athletes who also raced elsewhere this season were about 1:42 quicker here than at their other races. 1:47 slower than at Berlin 2025, the previous Open race.
Eight blocks
Bar = field beaten · tick = median
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Block 01 10:59Running 1 5:37v median +0:21
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Block 02 8:12Running 2 5:34v median +0:05
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Block 03 12:34Running 3 5:28v median −0:14
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Block 04 14:12Running 4 5:33v median −0:12
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Block 05 11:12Running 5 5:42v median −0:13
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Block 06 7:50Running 6 5:28v median −0:17
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Block 07 10:37Running 7 5:36v median −0:10
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Block 08 12:48Running 8 6:06v median −0:19
Roxzone, per block
Approach · Exit 9:41
Against the middle of your field
Women · n = 595
A pace, not a person: at every mat, the middle of the 595 women who finished.