Progress against the field
Kristin Sinclair has dropped 3:00 behind the field from Houston 2025 to Boston 2026.
The clock says 0:54 faster, but the races themselves got 3:54 quicker for everyone.
377 days between Boston 2025 and Boston 2026 is the longest gap compared here, and the second race was 2:32 behind 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. The summary above covers Individual Open · Women, the one raced most; every comparison is in the list below.
Every race
13 races · 10 events
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Boston8 Oct 2026Individual Open · Women1:19:4353/475Beat 89%
↑ 377 days after Boston 2025 2:32 worse than the field Why ↓Close ↑
2:32 behind the field: 1:02 slower on the clock, against 1:30 faster for everyone.
The fieldCompare these two →1:30 faster This athlete1:02 slower -
Washington DC3 Sep 2026Relay · Women1:29:4443/89Beat 52%
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Chicago14 Nov 2025Relay · Women1:11:565/80Beat 94%
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Chicago14 Nov 2025Doubles Pro · Women1:18:09 PB73/229Beat 68%
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Boston26 Sep 2025Relay · Mixed1:20:5250/95Beat 47%
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Boston26 Sep 2025Individual Open · Women1:18:41133/1290Beat 90%
↑ 195 days after Houston 2025 0:28 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:56 faster on the clock looks better than it was: the race was 2:24 faster for everyone, which leaves this 0:28 behind the field.
The fieldCompare these two →2:24 faster This athlete1:56 faster -
Houston15 Mar 2025Individual Open · Women1:20:37119/646Beat 82%
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Chicago Navy Pier16 Nov 2024Individual Open · Women1:15:30 PB40/599Beat 93%
↑ 42 days after Toronto 2024 0:14 worse than the field Faster on the clock, behind the field Why ↓Close ↑
3:46 faster on the clock, yet the race was 4:00 faster for everyone, so 0:14 was lost on the field.
The fieldCompare these two →4:00 faster This athlete3:46 faster -
Chicago Navy Pier16 Nov 2024Relay · Women1:12:535/21Beat 76%
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Toronto5 Oct 2024Individual Open · Women1:19:1653/439Beat 88%
↑ 217 days after Washington - North American Championships 2024 0:00 better than the field Why ↓Close ↑
0:55 faster on the clock, and the race was 0:55 faster for everyone. Whatever changed, it changed for all of them.
The fieldCompare these two →0:55 faster This athlete0:55 faster -
Washington - North American Championships2 Mar 2024Individual Open · Women1:20:1170/271Beat 74%
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Chicago11 Nov 2023Individual Open · Women1:28:15124/299Beat 59%
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Washington D.C. Open North American ChampionshipsDate unknownDoubles Open · Mixed1:11:39 PB100/761Beat 87%