Progress against the field
From Amsterdam 2024 to Heerenveen 2026, Juriaan Tierie and Bart de Lange got 13:02 faster than the field.
The clock says 21:30 faster, but the races themselves got 8:28 quicker for everyone.
Ahead of the field in 4 of 4 comparisons.
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 Open · Men, with Bart de Lange, the one raced most; every comparison is in the list below.
Every race
8 races · 8 events
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Heerenveen14 May 2026Doubles Open · Men1:15:47 PB304/494Beat 39%
↑ 113 days after Amsterdam 2026, with Bart de Lange 2:04 better than the field Why ↓Close ↑
2:04 better than the field: 3:31 faster on the clock, against 1:27 faster for everyone.
The fieldCompare these two →1:27 faster This pair3:31 faster -
Rotterdam15 Apr 2026Individual Open · Men1:43:34989/1192Beat 17%
↑ 20 days after Mechelen 2026 0:26 worse than the field Why ↓Close ↑
0:47 slower on the clock in a race that was 0:21 slower for everyone: 0:26 lost to the field.
The fieldCompare these two →0:21 slower This athlete0:47 slower -
Mechelen26 Mar 2026Individual Open · Men1:42:47 PB645/747Beat 14%
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Amsterdam21 Jan 2026Doubles Open · Men1:19:18263/342Beat 23%
↑ 54 days after Utrecht 2025, with Bart de Lange 0:52 better than the field Why ↓Close ↑
0:52 better than the field: 4:22 faster on the clock, against 3:30 faster for everyone.
The fieldCompare these two →3:30 faster This pair4:22 faster -
Utrecht28 Nov 2025Doubles Open · Men1:23:40698/879Beat 21%
↑ 70 days after Maastricht 2025, with Bart de Lange 5:51 better than the field Why ↓Close ↑
7:08 faster on the clock, and the race was 1:17 faster for everyone, so 5:51 of it was this pair.
The fieldCompare these two →1:17 faster This pair7:08 faster -
Maastricht19 Sep 2025Doubles Open · Men1:30:48316/354Beat 11%
↑ 344 days after Amsterdam 2024, with Bart de Lange 4:15 better than the field Why ↓Close ↑
4:15 better than the field: 6:29 faster on the clock, against 2:14 faster for everyone.
The fieldCompare these two →2:14 faster This pair6:29 faster -
Rotterdam27 Feb 2025Doubles Open · Men1:53:33333/335Beat 1%
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Amsterdam10 Oct 2024Doubles Open · Men1:37:17811/855Beat 5%