Progress against the field
Between New York 2025 and Boston 2026, Christina Delgado lost 1:18 to the field.
Over the same races everyone got 5:43 quicker, so 4:25 faster 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, still ended 2:20 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
4 races · 4 events
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Boston8 Oct 2026Individual Open · Women1:44:56 PB417/722Beat 42%
↑ 133 days after New York 2026 1:04 worse than the field Faster on the clock, behind the field Why ↓Close ↑
2:51 faster on the clock looks better than it was: the race was 3:55 faster for everyone, which leaves this 1:04 behind the field.
The fieldCompare these two →3:55 faster This athlete2:51 faster -
New York28 May 2026Individual Open · Women1:47:47347/586Beat 41%
↑ 244 days after Boston 2025 2:20 better than the field Why ↓Close ↑
The race was 0:33 slower for everyone and the clock still says 1:47 faster: 2:20 gained on the field.
The fieldCompare these two →0:33 slower This athlete1:47 faster -
Boston26 Sep 2025Individual Open · Women1:49:34976/1290Beat 24%
↑ 119 days after New York 2025 2:34 worse than the field Why ↓Close ↑
2:34 behind the field: 0:13 slower on the clock, against 2:21 faster for everyone.
The fieldCompare these two →2:21 faster This athlete0:13 slower -
New York30 May 2025Individual Open · Women1:49:21599/781Beat 23%