Progress against the field
Between Heerenveen 2025 and Rotterdam 2026, Bobby Bos lost 5:48 to the field.
Over the same races everyone got 6:58 quicker, so 1:10 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
16 races · 12 events
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Hamburg28 Oct 2026Doubles Pro · Men1:00:4187/475Beat 82%
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Heerenveen14 May 2026Doubles Pro · Men55:4216/315Beat 95%
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Rotterdam15 Apr 2026Doubles Open · Mixed1:01:55 PB20/1047Beat 98%
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Rotterdam15 Apr 2026Individual Open · Men1:02:354/401Beat 99%
↑ 124 days after Gent 2025 5:14 worse than the field Why ↓Close ↑
5:14 behind the field: 1:16 slower on the clock, against 3:58 faster for everyone.
The fieldCompare these two →3:58 faster This athlete1:16 slower -
Mechelen26 Mar 2026Doubles Pro · Men55:4434/493Beat 93%
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Amsterdam21 Jan 2026Doubles Pro · Men54:29 PB12/298Beat 96%
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Gent12 Dec 2025Relay · Mixed1:10:318/49Beat 84%
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Gent12 Dec 2025Individual Open · Men1:01:19 PB15/1428Beat 99%
↑ 217 days after Heerenveen 2025 0:34 worse than the field Faster on the clock, behind the field Why ↓Close ↑
2:26 faster on the clock looks better than it was: the race was 3:00 faster for everyone, which leaves this 0:34 behind the field.
The fieldCompare these two →3:00 faster This athlete2:26 faster -
Utrecht28 Nov 2025Relay · Men53:055/38Beat 87%
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Utrecht28 Nov 2025Individual Pro · Men1:09:3424/215Beat 89%
↑ 70 days after Maastricht 2025 5:30 better than the field Why ↓Close ↑
5:30 better than the field: 6:53 faster on the clock, against 1:23 faster for everyone.
The fieldCompare these two →1:23 faster This athlete6:53 faster -
Maastricht19 Sep 2025Individual Pro · Men1:16:2739/104Beat 63%
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Heerenveen9 May 2025Doubles Open · Men58:43 PB14/529Beat 97%
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Heerenveen9 May 2025Individual Open · Men1:03:4520/1217Beat 98%
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Cologne10 Apr 2025Individual Pro · Men1:09:22 PB11/62Beat 82%
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Rotterdam27 Feb 2025Doubles Open · Men1:03:1149/733Beat 93%
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Stockholm7 Dec 2024Doubles Open · Mixed1:21:52321/524Beat 39%