Progress against the field
From New York 2025 to New York 2026, the field gained 17:28 on Tatiana Sippel.
Over the same races everyone got 1:48 quicker, so 15:40 slower on the clock looks better than it was.
The longest gap between two races compared here, 244 days between Boston 2025 and New York 2026, cost 18:07 on 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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New York28 May 2026Individual Open · Women2:01:46465/586Beat 21%
↑ 244 days after Boston 2025 18:07 worse than the field Why ↓Close ↑
18:07 behind the field: 18:40 slower on the clock, against 0:33 slower for everyone.
The fieldCompare these two →0:33 slower This athlete18:40 slower -
Boston26 Sep 2025Individual Open · Women1:43:06 PB830/1290Beat 36%
↑ 119 days after New York 2025 0:39 better than the field Why ↓Close ↑
3:00 faster on the clock, and the race was 2:21 faster for everyone, so 0:39 of it was this athlete.
The fieldCompare these two →2:21 faster This athlete3:00 faster -
New York30 May 2025Individual Open · Women1:46:06310/450Beat 31%
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Washington - North American Championships2 Mar 2024Individual Open · Women1:49:36228/271Beat 16%