Progress against the field
Tim Dekker has dropped 2:19 behind the field from Heerenveen 2025 to Maastricht 2026.
The clock says 1:24 faster, but the races themselves got 3:43 quicker for everyone.
203 days between Heerenveen 2025 and Utrecht 2025 is the longest gap compared here, and the second race was 6:11 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 Individual Pro · Men, the one raced most; every comparison is in the list below.
Every race
12 races · 11 events
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Maastricht19 Sep 2026Individual Pro · Men1:11:28115/399Beat 71%
↑ 128 days after Heerenveen 2026 2:35 better than the field Why ↓Close ↑
1:11 faster on the clock in a race that was 1:24 slower for everyone: 2:35 better than the field.
The fieldCompare these two →1:24 slower This athlete1:11 faster -
Heerenveen14 May 2026Individual Open · Men1:22:01231/490Beat 53%
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Heerenveen14 May 2026Individual Pro · Men1:12:39141/454Beat 69%
↑ 167 days after Utrecht 2025 1:17 better than the field Why ↓Close ↑
8:00 faster on the clock, and the race was 6:43 faster for everyone, so 1:17 of it was this athlete.
The fieldCompare these two →6:43 faster This athlete8:00 faster -
Rotterdam15 Apr 2026Doubles Open · Men1:44:15 PB663/674Beat 2%
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Mechelen26 Mar 2026Doubles Open · Mixed1:11:49220/962Beat 77%
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EMEA London Olympia24 Mar 2026Individual Open · Men1:12:13 PB462/958Beat 52%
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Stockholm18 Dec 2025Doubles Open · Mixed1:08:15 PB151/1002Beat 85%
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Utrecht28 Nov 2025Individual Pro · Men1:20:3940/102Beat 61%
↑ 203 days after Heerenveen 2025 6:11 worse than the field Why ↓Close ↑
6:11 behind the field: 7:47 slower on the clock, against 1:36 slower for everyone.
The fieldCompare these two →1:36 slower This athlete7:47 slower -
Heerenveen9 May 2025Individual Pro · Men1:12:5243/216Beat 80%
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Belgium5 Apr 2025Individual Pro · Men1:10:09 PB44/203Beat 78%
↑ 177 days after Amsterdam 2024 6:20 better than the field Why ↓Close ↑
6:20 better than the field: 8:21 faster on the clock, against 2:01 faster for everyone.
The fieldCompare these two →2:01 faster This athlete8:21 faster -
Amsterdam10 Oct 2024Individual Pro · Men1:18:3057/177Beat 68%
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Rotterdam6 Apr 2024Individual Open · Men1:18:54195/1380Beat 86%