Progress against the field
Kees Aardenburg has dropped 5:54 behind the field from Paris 2025 to Amsterdam 2026.
Over the same races everyone got 7:22 quicker, so 1:28 faster on the clock looks better than it was.
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 Individual Open · Men, the one raced most; every comparison is in the list below.
Every race
23 races · 23 events
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Stockholm18 Jun 2026Individual Pro · Men1:02:55201/767Beat 74%
↑ 64 days after Rotterdam 2026 1:07 worse than the field Why ↓Close ↑
2:25 slower on the clock in a race that was 1:18 slower for everyone: 1:07 lost to the field.
The fieldCompare these two →1:18 slower This athlete2:25 slower -
Rimini28 May 2026Doubles Open · MenDNF—
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Heerenveen14 May 2026Doubles Pro · Men52:42 PB4/315Beat 99%
↑ 49 days after Mechelen 2026, with Luc Van Overdam 0:00 better than the field Why ↓Close ↑
0:23 faster on the clock, and the race was 0:23 faster for everyone. Whatever changed, it changed for all of them.
The fieldCompare these two →0:23 faster This pair0:23 faster -
Rotterdam15 Apr 2026Individual Pro · Men1:00:30 PB10/348Beat 97%
↑ 138 days after Utrecht 2025 0:25 worse than the field Faster on the clock, behind the field Why ↓Close ↑
3:00 faster on the clock looks better than it was: the race was 3:25 faster for everyone, which leaves this 0:25 behind the field.
The fieldCompare these two →3:25 faster This athlete3:00 faster -
Mechelen26 Mar 2026Doubles Pro · Men53:058/493Beat 98%
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Amsterdam21 Jan 2026Individual Open · Men56:47 PB4/570Beat 99%
↑ 91 days after Paris 2025 5:54 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:28 faster on the clock, yet the race was 7:22 faster for everyone, so 5:54 was lost on the field.
The fieldCompare these two →7:22 faster This athlete1:28 faster -
Utrecht28 Nov 2025Individual Pro · Men1:03:302/102Beat 98%
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Bordeaux20 Nov 2025Individual Pro · Men1:02:567/168Beat 96%
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Paris22 Oct 2025Individual Open · Men58:152/1347Beat 100%
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Barcelona25 Apr 2025Individual Pro · Men1:07:1790/339Beat 74%
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Belgium5 Apr 2025Doubles Open · Mixed1:04:37 PB37/722Beat 95%
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Rotterdam27 Feb 2025Individual Pro · Men1:02:473/99Beat 97%
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Amsterdam10 Oct 2024Individual Open · Men58:337/1539Beat 100%
↑ 187 days after Rotterdam 2024 4:49 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:58 faster on the clock looks better than it was: the race was 6:47 faster for everyone, which leaves this 4:49 behind the field.
The fieldCompare these two →6:47 faster This athlete1:58 faster -
Rotterdam6 Apr 2024Individual Open · Men1:00:313/1380Beat 100%
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Karlsruhe16 Mar 2024Individual Open · Men1:00:043/774Beat 100%
↑ 56 days after Maastricht 2024 1:17 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:01 faster on the clock looks better than it was: the race was 2:18 faster for everyone, which leaves this 1:17 behind the field.
The fieldCompare these two →2:18 faster This athlete1:01 faster -
Maastricht20 Jan 2024Individual Open · Men1:01:053/781Beat 100%
↑ 42 days after Frankfurt 2023 3:34 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:24 faster on the clock looks better than it was: the race was 3:58 faster for everyone, which leaves this 3:34 behind the field.
The fieldCompare these two →3:58 faster This athlete0:24 faster -
Frankfurt9 Dec 2023Individual Open · Men1:01:2910/843Beat 99%
↑ 35 days after Amsterdam 2023 0:04 better than the field Why ↓Close ↑
0:23 faster on the clock, and the race was 0:19 faster for everyone. Whatever changed, it changed for all of them.
The fieldCompare these two →0:19 faster This athlete0:23 faster -
Amsterdam4 Nov 2023Individual Open · Men1:01:524/1079Beat 100%
↑ 168 days after Rotterdam 2023 2:35 better than the field Why ↓Close ↑
5:12 faster on the clock, and the race was 2:37 faster for everyone, so 2:35 of it was this athlete.
The fieldCompare these two →2:37 faster This athlete5:12 faster -
Rotterdam20 May 2023Individual Open · Men1:07:0421/575Beat 96%
↑ 119 days after Maastricht European Championships 2023 2:29 worse than the field Why ↓Close ↑
0:09 slower on the clock in a race that was 2:20 faster for everyone: 2:29 lost to the field.
The fieldCompare these two →2:20 faster This athlete0:09 slower -
Maastricht European Championships21 Jan 2023Individual Open · Men1:06:5563/556Beat 89%
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World ChampionshipsDate unknownIndividual Pro · Men1:02:5984/522Beat 84%
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World Championships NiceDate unknownIndividual Pro · Men1:05:54109/830Beat 87%
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KölnDate unknownIndividual Pro · Men1:06:5650/238Beat 79%