Progress against the field
Between Singapore 2026 and Bangkok 2026, Heeju Jo lost 5:15 to the field.
Over the same races everyone got 9:07 quicker, so 3:52 faster on the clock looks better 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. The summary above covers Individual Open · Women, the one raced most; every comparison is in the list below.
Every race
6 races · 6 events
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Boston8 Oct 2026Individual Pro · Women2:10:10218/224Beat 3%
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Bangkok13 Aug 2026Individual Open · Women1:36:06 PB201/1066Beat 81%
↑ 132 days after Singapore 2026 5:15 worse than the field Faster on the clock, behind the field Why ↓Close ↑
3:52 faster on the clock looks better than it was: the race was 9:07 faster for everyone, which leaves this 5:15 behind the field.
The fieldCompare these two →9:07 faster This athlete3:52 faster -
Incheon15 May 2026Individual Pro · Women1:57:52 PB83/94Beat 12%
↑ 188 days after Seoul 2025 15:16 better than the field Why ↓Close ↑
15:16 better than the field: 19:16 faster on the clock, against 4:00 faster for everyone.
The fieldCompare these two →4:00 faster This athlete19:16 faster -
Singapore3 Apr 2026Individual Open · Women1:39:5891/356Beat 74%
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Osaka30 Jan 2026Individual Open · Women1:41:43328/619Beat 47%
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Seoul8 Nov 2025Individual Pro · Women2:17:0875/75Beat 0%