Progress against the field
Rens Van Druenen and Isabelle den Hartog have gained 1:28 on the field from Maastricht 2025 to Maastricht 2026.
The clock says 7:51 faster, but the races themselves got 6:23 quicker for everyone.
The longest gap between two races compared here, 241 days between Amsterdam 2026 and Maastricht 2026, still ended 5:25 ahead of the field.
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. The summary above covers Doubles Open · Mixed, with Isabelle den Hartog, the one raced most; every comparison is in the list below.
Every race
5 races · 5 events
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Maastricht19 Sep 2026Doubles Open · Mixed1:03:01 PB19/687Beat 97%
↑ 241 days after Amsterdam 2026, with Isabelle den Hartog 5:25 better than the field Why ↓Close ↑
4:58 faster on the clock in a race that was 0:27 slower for everyone: 5:25 better than the field.
The fieldCompare these two →0:27 slower This pair4:58 faster -
Heerenveen14 May 2026Individual Open · Men1:12:04 PB54/315Beat 83%
↑ 153 days after Gent 2025 2:28 worse than the field Faster on the clock, behind the field Why ↓Close ↑
2:07 faster on the clock, yet the race was 4:35 faster for everyone, so 2:28 was lost on the field.
The fieldCompare these two →4:35 faster This athlete2:07 faster -
Amsterdam21 Jan 2026Doubles Open · Mixed1:07:59159/1206Beat 87%
↑ 124 days after Maastricht 2025, with Isabelle den Hartog 3:57 worse than the field Faster on the clock, behind the field Why ↓Close ↑
2:53 faster on the clock, yet the race was 6:50 faster for everyone, so 3:57 was lost on the field.
The fieldCompare these two →6:50 faster This pair2:53 faster -
Gent12 Dec 2025Individual Open · Men1:14:11268/1428Beat 81%
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Maastricht19 Sep 2025Doubles Open · Mixed1:10:5233/364Beat 91%