Progress against the field
Between Chicago Navy Pier 2024 and New York 2025, Michael Grudzinski lost 1:50 to the field.
The clock says 1:24 faster, but the races themselves got 3:14 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.
Every race
5 races · 4 events
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New York28 May 2026Doubles Open · Men1:03:41 PB31/574Beat 95%
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New York28 May 2026Doubles Open · Mixed1:07:32 PB76/1053Beat 93%
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New York30 May 2025Individual Open · Men1:12:20 PB35/403Beat 91%
↑ 195 days after Chicago Navy Pier 2024 1:50 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:24 faster on the clock looks better than it was: the race was 3:14 faster for everyone, which leaves this 1:50 behind the field.
The fieldCompare these two →3:14 faster This athlete1:24 faster -
Chicago Navy Pier16 Nov 2024Individual Open · Men1:13:44114/814Beat 86%
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Washington D.C. Open North American ChampionshipsDate unknownIndividual Open · Men1:12:38214/1544Beat 86%