Progress against the field
From Boston 2025 to Boston 2026, the field gained 7:05 on Sierra Baker.
Over the same races everyone got 0:43 quicker, so 6:22 slower on the clock looks better than it was.
196 days between Houston 2026 and Boston 2026 is the longest gap compared here, and the second race was 7:10 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 Pro · Women, the one raced most; every comparison is in the list below.
Every race
12 races · 12 events
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Boston8 Oct 2026Individual Pro · Women1:15:5156/224Beat 75%
↑ 196 days after Houston 2026 7:10 worse than the field Why ↓Close ↑
7:10 behind the field: 6:35 slower on the clock, against 0:35 faster for everyone.
The fieldCompare these two →0:35 faster This athlete6:35 slower -
Izmir19 Sep 2026Doubles Pro · Women1:00:01 PB5/18Beat 72%
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Stockholm18 Jun 2026Doubles Pro · Women1:02:0060/689Beat 91%
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New York28 May 2026Relay · Mixed59:543/125Beat 98%
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Houston26 Mar 2026Individual Pro · Women1:09:1626/240Beat 89%
↑ 56 days after Phoenix 2026 2:58 better than the field Why ↓Close ↑
2:34 faster on the clock in a race that was 0:24 slower for everyone: 2:58 better than the field.
The fieldCompare these two →0:24 slower This athlete2:34 faster -
Phoenix29 Jan 2026Individual Pro · Women1:11:5049/294Beat 83%
↑ 125 days after Boston 2025 2:53 worse than the field Why ↓Close ↑
2:21 slower on the clock in a race that was 0:32 faster for everyone: 2:53 lost to the field.
The fieldCompare these two →0:32 faster This athlete2:21 slower -
Boston26 Sep 2025Individual Pro · Women1:09:2919/159Beat 88%
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Chicago Navy Pier16 Nov 2024Individual Open · Women1:08:516/599Beat 99%
↑ 168 days after New York 2024 3:27 better than the field Why ↓Close ↑
9:09 faster on the clock, and the race was 5:42 faster for everyone, so 3:27 of it was this athlete.
The fieldCompare these two →5:42 faster This athlete9:09 faster -
New York1 Jun 2024Individual Open · Women1:18:0056/592Beat 91%
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World ChampionshipsDate unknownIndividual Pro · Women1:08:53 PB69/470Beat 85%
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Miami BeachDate unknownIndividual Open · Women1:01:17 PB3/684Beat 100%
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Washington D.C. Open North American ChampionshipsDate unknownIndividual Open · Women1:06:1813/893Beat 99%