Progress against the field
Between Oslo 2025 and Helsinki 2026, Jum Hee Heiss pulled 1:19 ahead of the field.
Over the same races everyone got 6:53 quicker, so 8:12 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.
Every race
2 races · 2 events
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Helsinki9 May 2026Individual Open · Women1:36:53 PB363/579Beat 37%
↑ 225 days after Oslo 2025 1:19 better than the field Why ↓Close ↑
8:12 faster on the clock, and the race was 6:53 faster for everyone, so 1:19 of it was this athlete.
The fieldCompare these two →6:53 faster This athlete8:12 faster -
Oslo26 Sep 2025Individual Open · Women1:45:05197/256Beat 23%