The race, in three figures
The race, in words
1:37:35 at Heerenveen 2026 put Jesse Duiker & Madelief Volbeda 703rd of 808 mixed teams in the Doubles Open division.
On the sled pull the field had the edge, by 1:52. The race faded late: the second half went 1:13 worse against the middle of the field than the first.
This was a quick course. Against their other races this season, the people who raced Heerenveen gained about 1:46.
Eight blocks
Bar = field beaten · tick = median
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Block 01 10:02Running 1 5:40v median +0:29
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Block 02 8:36Running 2 5:53v median +0:39
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Block 03 11:49Running 3 6:28v median +0:59
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Block 04 12:08Running 4 6:42v median +1:13
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Block 05 11:32Running 5 6:44v median +1:05
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Block 06 9:08Running 6 6:52v median +1:19
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Block 07 12:29Running 7 6:55v median +1:20
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Block 08 13:05Running 8 7:24v median +1:28
Roxzone, per block
Approach · Exit 8:52
Against the middle of your field
Mixed · n = 805
A pace, not a person: at every mat, the middle of the 805 mixed teams who finished.