Progress against the field
Between Oslo 2025 and Warsaw 2026, Martha Søndeled and Sebastian Arntsen pulled 13:39 ahead of the field.
The clock says 19:06 faster, but the races themselves got 5:27 quicker for everyone.
The largest gain on the field came from Oslo 2025 → Stockholm 2025: 11:13 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
4 races · 4 events
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Oslo26 Sep 2026Individual Open · Women1:51:17 PB470/576Beat 18%
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Warsaw16 Apr 2026Doubles Open · Mixed1:07:53 PB132/756Beat 83%
↑ 119 days after Stockholm 2025, with Sebastian Arntsen 2:26 better than the field Why ↓Close ↑
4:57 faster on the clock, and the race was 2:31 faster for everyone, so 2:26 of it was this pair.
The fieldCompare these two →2:31 faster This pair4:57 faster -
Stockholm18 Dec 2025Doubles Open · Mixed1:12:50126/454Beat 72%
↑ 83 days after Oslo 2025, with Sebastian Arntsen 11:13 better than the field Why ↓Close ↑
14:09 faster on the clock, and the race was 2:56 faster for everyone, so 11:13 of it was this pair.
The fieldCompare these two →2:56 faster This pair14:09 faster -
Oslo26 Sep 2025Doubles Open · Mixed1:26:59337/484Beat 30%