Progress against the field
Between Chicago Navy Pier 2024 and New York 2026, Sandra Gurrola lost 10:35 to the field.
The clock says 9:35 slower, but the races themselves got 1:00 quicker for everyone.
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
3 races · 3 events
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New York28 May 2026Individual Open · Women1:52:54182/355Beat 49%
↑ 195 days after Chicago 2025 11:32 worse than the field Why ↓Close ↑
13:56 slower on the clock in a race that was 2:24 slower for everyone: 11:32 lost to the field.
The fieldCompare these two →2:24 slower This athlete13:56 slower -
Chicago14 Nov 2025Individual Open · Women1:38:58 PB705/1127Beat 37%
↑ 363 days after Chicago Navy Pier 2024 0:57 better than the field Why ↓Close ↑
0:57 better than the field: 4:21 faster on the clock, against 3:24 faster for everyone.
The fieldCompare these two →3:24 faster This athlete4:21 faster -
Chicago Navy Pier16 Nov 2024Individual Open · Women1:43:19427/599Beat 29%