Progress against the field
Between Osaka 2026 and Chiba 2026, Soyoung Sim lost 1:22 to the field.
Over the same races everyone got 2:38 quicker, so 1:16 faster on the clock looks better than it was.
The biggest step was Incheon 2026 → Chiba 2026: 9:23 on the field in 83 days.
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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Chiba6 Aug 2026Individual Open · Women1:07:44 PB4/210Beat 98%
↑ 83 days after Incheon 2026 9:23 better than the field Why ↓Close ↑
9:23 better than the field: 11:15 faster on the clock, against 1:52 faster for everyone.
The fieldCompare these two →1:52 faster This athlete11:15 faster -
Incheon15 May 2026Individual Open · Women1:18:5936/406Beat 91%
↑ 105 days after Osaka 2026 10:45 worse than the field Why ↓Close ↑
10:45 behind the field: 9:59 slower on the clock, against 0:46 faster for everyone.
The fieldCompare these two →0:46 faster This athlete9:59 slower -
Osaka30 Jan 2026Individual Open · Women1:09:004/619Beat 99%