Progress against the field
Between Heerenveen 2025 and Maastricht 2026, Frank Stam and Patricia Stam pulled 18:07 ahead of the field.
Over the same races everyone got 3:15 quicker, so 21:22 faster on the clock looks better than it was.
The longest gap between two races compared here, 257 days between Heerenveen 2025 and Amsterdam 2026, still ended 3:46 ahead of 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.
Every race
4 races · 4 events
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Maastricht19 Sep 2026Doubles Open · Mixed1:33:59 PB332/444Beat 25%
↑ 241 days after Amsterdam 2026, with Patricia Stam 14:21 better than the field Why ↓Close ↑
The race was 0:27 slower for everyone and the clock still says 13:54 faster: 14:21 gained on the field.
The fieldCompare these two →0:27 slower This pair13:54 faster -
Heerenveen14 May 2026Doubles Open · Men1:16:28 PB272/434Beat 37%
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Amsterdam21 Jan 2026Doubles Open · Mixed1:47:53487/506Beat 4%
↑ 257 days after Heerenveen 2025, with Patricia Stam 3:46 better than the field Why ↓Close ↑
7:28 faster on the clock, and the race was 3:42 faster for everyone, so 3:46 of it was this pair.
The fieldCompare these two →3:42 faster This pair7:28 faster -
Heerenveen9 May 2025Doubles Open · Mixed1:55:21487/492Beat 1%