Progress against the field
Guido Heerink has dropped 3:03 behind the field from Maastricht 2025 to Heerenveen 2026.
The clock says 4:06 faster, but the races themselves got 7:09 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 Individual Pro · Men, the one raced most; every comparison is in the list below.
Every race
13 races · 10 events
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Heerenveen14 May 2026Relay · Men53:272/55Beat 96%
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Heerenveen14 May 2026Individual Pro · Men1:07:49 PB89/454Beat 80%
↑ 29 days after Rotterdam 2026 0:11 worse than the field Faster on the clock, behind the field Why ↓Close ↑
2:10 faster on the clock looks better than it was: the race was 2:21 faster for everyone, which leaves this 0:11 behind the field.
The fieldCompare these two →2:21 faster This athlete2:10 faster -
Rotterdam15 Apr 2026Doubles Open · Mixed1:00:19 PB14/1047Beat 99%
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Rotterdam15 Apr 2026Individual Pro · Men1:09:5959/348Beat 83%
↑ 138 days after Utrecht 2025 3:48 worse than the field Why ↓Close ↑
0:23 slower on the clock in a race that was 3:25 faster for everyone: 3:48 lost to the field.
The fieldCompare these two →3:25 faster This athlete0:23 slower -
Amsterdam21 Jan 2026Doubles Pro · Men58:21 PB40/298Beat 87%
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Utrecht28 Nov 2025Individual Pro · Men1:09:3617/102Beat 83%
↑ 70 days after Maastricht 2025 0:56 better than the field Why ↓Close ↑
2:19 faster on the clock, and the race was 1:23 faster for everyone, so 0:56 of it was this athlete.
The fieldCompare these two →1:23 faster This athlete2:19 faster -
Maastricht19 Sep 2025Relay · Mixed1:06:539/36Beat 75%
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Maastricht19 Sep 2025Individual Pro · Men1:11:5546/208Beat 78%
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Heerenveen9 May 2025Individual Open · Men1:06:3150/1217Beat 96%
↑ 71 days after Rotterdam 2025 2:37 worse than the field Why ↓Close ↑
0:08 slower on the clock in a race that was 2:29 faster for everyone: 2:37 lost to the field.
The fieldCompare these two →2:29 faster This athlete0:08 slower -
Rotterdam27 Feb 2025Individual Open · Men1:06:23 PB30/1283Beat 98%
↑ 327 days after Rotterdam 2024 0:48 worse than the field Faster on the clock, behind the field Why ↓Close ↑
5:46 faster on the clock, yet the race was 6:34 faster for everyone, so 0:48 was lost on the field.
The fieldCompare these two →6:34 faster This athlete5:46 faster -
Rotterdam6 Apr 2024Individual Open · Men1:12:0962/1380Beat 96%
↑ 154 days after Amsterdam 2023 1:40 better than the field Why ↓Close ↑
1:40 better than the field: 4:10 faster on the clock, against 2:30 faster for everyone.
The fieldCompare these two →2:30 faster This athlete4:10 faster -
Amsterdam4 Nov 2023Individual Open · Men1:16:19130/1079Beat 88%
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World Championships NiceDate unknownIndividual Pro · Men1:16:47527/830Beat 37%