Progress against the field
Between Maastricht 2025 and Stockholm 2026, Joey Stol and Julian Westerbaan lost 4:30 to the field.
The clock says 0:51 slower, but the races themselves got 3:39 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. The summary above covers Doubles Pro · Men, with Julian Westerbaan, the one raced most; every comparison is in the list below.
Every race
25 races · 16 events
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Maastricht19 Sep 2026Doubles Pro · Men56:0917/316Beat 95%
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Maastricht19 Sep 2026Doubles Open · Mixed59:043/444Beat 99%
↑ 241 days after Amsterdam 2026, with Suzanne Deuss 1:31 worse than the field Why ↓Close ↑
1:31 behind the field: 1:58 slower on the clock, against 0:27 slower for everyone.
The fieldCompare these two →0:27 slower This pair1:58 slower -
Stockholm18 Jun 2026Doubles Open · Mixed55:24 PB50/825Beat 94%
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Stockholm18 Jun 2026Doubles Pro · Men56:03141/704Beat 80%
↑ 64 days after Rotterdam 2026, with Julian Westerbaan 0:18 better than the field Slower on the clock, ahead of the field Why ↓Close ↑
1:39 slower on the clock in a race that was 1:57 slower for everyone: 0:18 gained on the field, which the clock hides.
The fieldCompare these two →1:57 slower This pair1:39 slower -
Heerenveen14 May 2026Individual Pro · Men1:03:31 PB37/454Beat 92%
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Rotterdam15 Apr 2026Doubles Open · Mixed56:221/544Beat 100%
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Rotterdam15 Apr 2026Doubles Pro · Men54:24 PB8/385Beat 98%
↑ 138 days after Utrecht 2025, with Julian Westerbaan 1:16 worse than the field Faster on the clock, behind the field Why ↓Close ↑
2:53 faster on the clock, yet the race was 4:09 faster for everyone, so 1:16 was lost on the field.
The fieldCompare these two →4:09 faster This pair2:53 faster -
Mechelen26 Mar 2026Doubles Pro · Men59:40116/493Beat 77%
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Amsterdam21 Jan 2026Doubles Open · Mixed57:064/496Beat 99%
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Amsterdam21 Jan 2026Relay · Men53:212/51Beat 96%
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Poznan13 Dec 2025Doubles Pro · Men59:0425/157Beat 84%
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Utrecht28 Nov 2025Doubles Open · Mixed56:082/701Beat 100%
↑ 70 days after Maastricht 2025, with Iza Tulkens 2:51 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:41 faster on the clock, yet the race was 4:32 faster for everyone, so 2:51 was lost on the field.
The fieldCompare these two →4:32 faster This pair1:41 faster -
Utrecht28 Nov 2025Doubles Pro · Men57:172/89Beat 98%
↑ 70 days after Maastricht 2025, with Julian Westerbaan 3:32 worse than the field Why ↓Close ↑
3:32 behind the field: 2:05 slower on the clock, against 1:27 faster for everyone.
The fieldCompare these two →1:27 faster This pair2:05 slower -
Maastricht19 Sep 2025Relay · Mixed55:122/36Beat 94%
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Maastricht19 Sep 2025Doubles Open · Mixed57:491/658Beat 100%
↑ 162 days after Cologne 2025, with Iza Tulkens 0:58 better than the field Slower on the clock, ahead of the field Why ↓Close ↑
0:33 slower on the clock in a race that was 1:31 slower for everyone: 0:58 gained on the field, which the clock hides.
The fieldCompare these two →1:31 slower This pair0:33 slower -
Maastricht19 Sep 2025Doubles Pro · Men55:126/102Beat 94%
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Heerenveen9 May 2025Doubles Pro · Men55:594/92Beat 96%
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Cologne10 Apr 2025Doubles Open · Mixed57:163/921Beat 100%
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Cologne10 Apr 2025Doubles Open · Men53:31 PB1/149Beat 99%
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Belgium5 Apr 2025Doubles Open · Men55:025/898Beat 99%
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Belgium5 Apr 2025Relay · Men52:453/16Beat 81%
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Rotterdam27 Feb 2025Individual Open · Men1:03:55 PB12/584Beat 98%
↑ 327 days after Rotterdam 2024 3:06 worse than the field Faster on the clock, behind the field Why ↓Close ↑
3:28 faster on the clock, yet the race was 6:34 faster for everyone, so 3:06 was lost on the field.
The fieldCompare these two →6:34 faster This athlete3:28 faster -
Rotterdam6 Apr 2024Individual Open · Men1:07:2321/1380Beat 99%
↑ 154 days after Amsterdam 2023 3:09 better than the field Why ↓Close ↑
3:09 better than the field: 5:39 faster on the clock, against 2:30 faster for everyone.
The fieldCompare these two →2:30 faster This athlete5:39 faster -
Amsterdam4 Nov 2023Individual Open · Men1:13:0276/1079Beat 93%
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World Championships NiceDate unknownIndividual Pro · Men1:20:55637/830Beat 23%