Progress against the field
Cory Bildstein has gained 1:43 on the field from Boston 2025 to Boston 2026.
The races themselves barely changed, so 1:15 faster on the clock is the real picture.
The longest gap between two races compared here, 265 days between Boston 2025 and Stockholm 2026, still ended 3:01 ahead of 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
9 races · 8 events
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Boston8 Oct 2026Relay · Mixed55:321/85Beat 99%
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Boston8 Oct 2026Individual Pro · Women1:05:498/224Beat 96%
↑ 35 days after Washington DC 2026 0:54 worse than the field Why ↓Close ↑
2:04 slower on the clock in a race that was 1:10 slower for everyone: 0:54 lost to the field.
The fieldCompare these two →1:10 slower This athlete2:04 slower -
Washington DC3 Sep 2026Individual Pro · Women1:03:45 PB9/289Beat 97%
↑ 77 days after Stockholm 2026 0:24 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:34 faster on the clock looks better than it was: the race was 1:58 faster for everyone, which leaves this 0:24 behind the field.
The fieldCompare these two →1:58 faster This athlete1:34 faster -
Stockholm18 Jun 2026Individual Pro · Women1:05:1967/751Beat 91%
↑ 265 days after Boston 2025 3:01 better than the field Why ↓Close ↑
1:45 faster on the clock in a race that was 1:16 slower for everyone: 3:01 better than the field.
The fieldCompare these two →1:16 slower This athlete1:45 faster -
Boston26 Sep 2025Individual Pro · Women1:07:048/159Beat 95%
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Dallas23 Nov 2024Individual Open · Women1:05:36 PB1/620Beat 100%
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World ChampionshipsDate unknownIndividual Pro · Women1:14:44256/470Beat 46%
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World Championships NiceDate unknownIndividual Pro · Women1:12:4894/677Beat 86%
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New YorkDate unknownIndividual Open · Women1:11:302/241Beat 99%