Progress against the field
From Rotterdam 2025 to Amsterdam 2026, the field gained 19:51 on Ricardo De Hartog and Franka de Hartog.
Over the same races everyone got 5:03 quicker, so 14:48 slower on the clock looks better than it was.
204 days between Rotterdam 2025 and Maastricht 2025 is the longest gap compared here, and the second race was 17:36 behind 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 Franka de Hartog, the one raced most; every comparison is in the list below.
Every race
5 races · 5 events
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Amsterdam21 Jan 2026Doubles Open · Mixed1:30:29986/1206Beat 18%
↑ 124 days after Maastricht 2025, with Franka de Hartog 2:15 worse than the field Faster on the clock, behind the field Why ↓Close ↑
4:35 faster on the clock, yet the race was 6:50 faster for everyone, so 2:15 was lost on the field.
The fieldCompare these two →6:50 faster This pair4:35 faster -
Maastricht19 Sep 2025Doubles Open · Mixed1:35:04282/364Beat 23%
↑ 204 days after Rotterdam 2025, with Franka de Hartog 17:36 worse than the field Why ↓Close ↑
17:36 behind the field: 19:23 slower on the clock, against 1:47 slower for everyone.
The fieldCompare these two →1:47 slower This pair19:23 slower -
Rotterdam27 Feb 2025Doubles Open · Mixed1:15:41 PB177/707Beat 75%
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Amsterdam10 Oct 2024Doubles Open · Men1:07:49 PB147/855Beat 83%
↑ 187 days after Rotterdam 2024, with Vincent Moolhuijsen 1:36 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:53 faster on the clock looks better than it was: the race was 3:29 faster for everyone, which leaves this 1:36 behind the field.
The fieldCompare these two →3:29 faster This pair1:53 faster -
Rotterdam6 Apr 2024Doubles Open · Men1:09:42143/722Beat 80%