Progress against the field
Stefan Zwijnenburg and Nico Zwijnenburg have gained 3:20 on the field from Belgium 2025 to Rotterdam 2026.
The clock says 4:45 faster, but the races themselves got 1:25 quicker for everyone.
How this is worked out ⓘ
A finish time moves for two reasons: the athlete, and the race — its course, its floor, its day. For each pair of races in a row in one category, we take everyone who raced both and use the middle of how much they moved (the median) as "the race". Whatever is left is the athlete. Doubles are compared only when the same two people raced both, and told as the pair's; relays are left out. A pair with fewer than 15 athletes in common is not shown.
Every race
4 races · 4 events
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Barcelona14 May 2026Doubles Open · Mixed1:20:51 PB292/615Beat 53%
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Rotterdam15 Apr 2026Doubles Open · Men1:10:18 PB243/674Beat 64%
↑ 375 days after Belgium 2025, with Nico Zwijnenburg 3:20 better than the field Why ↓Close ↑
4:45 faster on the clock, and the race was 1:25 faster for everyone, so 3:20 of it was this pair.
The fieldCompare these two →1:25 faster This pair4:45 faster -
Amsterdam21 Jan 2026Doubles Open · Mixed1:22:26732/1206Beat 39%
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Belgium5 Apr 2025Doubles Open · Men1:15:03476/898Beat 47%