Progress against the field
From Perth 2024 to Perth 2025, Ella Ziersch got 18:40 faster than the field.
Over the same races everyone got 0:53 slower, so 17:47 faster on the clock looks worse than it was.
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 · 3 events
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Perth5 Sep 2025Individual Open · Women1:26:17 PB110/329Beat 67%
↑ 356 days after Perth 2024 18:40 better than the field Why ↓Close ↑
17:47 faster on the clock in a race that was 0:53 slower for everyone: 18:40 better than the field.
The fieldCompare these two →0:53 slower This athlete17:47 faster -
Sydney4 Jul 2025Doubles Open · Women1:12:51 PB194/1852Beat 90%
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Sydney4 Jul 2025Relay · Women1:43:01300/356Beat 16%
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Perth14 Sep 2024Individual Open · Women1:44:04179/219Beat 18%