Progress against the field
Between Poznan 2025 and Warsaw 2026, Michał Grzeca lost 5:53 to the field.
The clock says 0:55 faster, but the races themselves got 6:48 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 Open · Men, the one raced most; every comparison is in the list below.
Every race
5 races · 5 events
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Warsaw16 Apr 2026Individual Open · Men1:27:491026/1792Beat 43%
↑ 124 days after Poznan 2025 5:53 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:55 faster on the clock, yet the race was 6:48 faster for everyone, so 5:53 was lost on the field.
The fieldCompare these two →6:48 faster This athlete0:55 faster -
Poznan13 Dec 2025Individual Open · Men1:28:44653/1184Beat 45%
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Cologne10 Apr 2025Individual Open · Men1:25:48 PB599/1182Beat 49%
↑ 159 days after Poznan 2024 0:27 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:21 faster on the clock looks better than it was: the race was 0:48 faster for everyone, which leaves this 0:27 behind the field.
The fieldCompare these two →0:48 faster This athlete0:21 faster -
Poznan2 Nov 2024Individual Open · Men1:26:09409/776Beat 47%
↑ 160 days after Gdansk 2024 9:54 better than the field Why ↓Close ↑
13:17 faster on the clock, and the race was 3:23 faster for everyone, so 9:54 of it was this athlete.
The fieldCompare these two →3:23 faster This athlete13:17 faster -
Gdansk26 May 2024Individual Open · Men1:39:26390/473Beat 18%