Progress against the field
Shirley Dalziel has dropped 17:46 behind the field from Glasgow 2025 to Glasgow 2026.
The clock says 16:06 slower, but the races themselves got 1:40 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. The summary above covers Individual Open · Women, the one raced most; every comparison is in the list below.
Every race
8 races · 8 events
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Valencia17 Oct 2026Individual Open · Women2:08:47506/539Beat 6%
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Glasgow11 Mar 2026Individual Open · Women2:15:43306/324Beat 6%
↑ 364 days after Glasgow 2025 17:46 worse than the field Why ↓Close ↑
17:46 behind the field: 16:06 slower on the clock, against 1:40 faster for everyone.
The fieldCompare these two →1:40 faster This athlete16:06 slower -
Glasgow12 Mar 2025Individual Open · Women1:59:37764/830Beat 8%
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Vienna22 Feb 2025Individual Open · Women1:56:59 PB658/684Beat 4%
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Toulouse8 Feb 2025Individual Open · Women2:10:14686/710Beat 3%
↑ 63 days after Marseille 2024 7:36 worse than the field Why ↓Close ↑
7:36 behind the field: 8:44 slower on the clock, against 1:08 slower for everyone.
The fieldCompare these two →1:08 slower This athlete8:44 slower -
Marseille7 Dec 2024Individual Open · Women2:01:30463/487Beat 5%
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World ChampionshipsDate unknownIndividual Open · Women2:03:0043/51Beat 16%
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NiceDate unknownIndividual Open · Women2:16:33195/204Beat 4%