Progress against the field
Bob Siblesz and Samuël Verpalen have gained 1:33 on the field from Heerenveen 2025 to Amsterdam 2026.
The clock says 7:09 faster, but the races themselves got 5:36 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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Maastricht19 Sep 2026Doubles Pro · Men1:15:04 PB231/316Beat 27%
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Amsterdam21 Jan 2026Doubles Open · Men1:08:30 PB319/994Beat 68%
↑ 40 days after Gent 2025, with Samuël Verpalen 1:39 better than the field Why ↓Close ↑
4:21 faster on the clock, and the race was 2:42 faster for everyone, so 1:39 of it was this pair.
The fieldCompare these two →2:42 faster This pair4:21 faster -
Gent12 Dec 2025Doubles Open · Men1:12:51560/1164Beat 52%
↑ 217 days after Heerenveen 2025, with Samuël Verpalen 0:06 worse than the field Why ↓Close ↑
2:48 faster on the clock, and the race was 2:54 faster for everyone. Whatever changed, it changed for all of them.
The fieldCompare these two →2:54 faster This pair2:48 faster -
Heerenveen9 May 2025Doubles Open · Men1:15:39283/529Beat 47%