Progress against the field
From Fort Lauderdale 2024 to Boston 2025, the field gained 3:10 on Tonia Becker.
Over the same races everyone got 7:30 quicker, so 4:20 faster on the clock looks better than it was.
The longest gap between two races compared here, 237 days between Las Vegas 2025 and Boston 2025, cost 4:10 on 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
6 races · 6 events
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Chicago14 Nov 2025Doubles Open · Women1:50:31 PB1379/1539Beat 10%
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Boston26 Sep 2025Individual Open · Women2:13:021216/1290Beat 6%
↑ 237 days after Las Vegas 2025 4:10 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:18 faster on the clock looks better than it was: the race was 4:28 faster for everyone, which leaves this 4:10 behind the field.
The fieldCompare these two →4:28 faster This athlete0:18 faster -
Las Vegas1 Feb 2025Individual Open · Women2:13:20485/512Beat 5%
↑ 77 days after Chicago Navy Pier 2024 2:40 worse than the field Why ↓Close ↑
5:32 slower on the clock in a race that was 2:52 slower for everyone: 2:40 lost to the field.
The fieldCompare these two →2:52 slower This athlete5:32 slower -
Chicago Navy Pier16 Nov 2024Individual Open · Women2:07:48 PB558/599Beat 7%
↑ 168 days after New York 2024 8:19 better than the field Why ↓Close ↑
8:19 better than the field: 14:01 faster on the clock, against 5:42 faster for everyone.
The fieldCompare these two →5:42 faster This athlete14:01 faster -
New York1 Jun 2024Individual Open · Women2:21:49563/592Beat 5%
↑ 98 days after Fort Lauderdale 2024 4:39 worse than the field Why ↓Close ↑
4:27 slower on the clock in a race that was 0:12 faster for everyone: 4:39 lost to the field.
The fieldCompare these two →0:12 faster This athlete4:27 slower -
Fort Lauderdale24 Feb 2024Individual Open · Women2:17:22191/198Beat 4%