Progress against the field
Between Amsterdam 2026 and Berlin 2026, Alexander Sperle and Calina Sperle lost 0:43 to the field.
Over the same races everyone got 1:41 slower, so 2:24 slower on the clock looks worse than it was.
The biggest step was Amsterdam 2026 → Cologne 2026: 3:27 on the field in 85 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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Berlin22 May 2026Doubles Open · Mixed1:31:45701/960Beat 27%
↑ 36 days after Cologne 2026, with Calina Sperle 4:10 worse than the field Why ↓Close ↑
4:34 slower on the clock in a race that was 0:24 slower for everyone: 4:10 lost to the field.
The fieldCompare these two →0:24 slower This pair4:34 slower -
Cologne16 Apr 2026Doubles Open · Mixed1:27:11 PB161/243Beat 34%
↑ 85 days after Amsterdam 2026, with Calina Sperle 3:27 better than the field Why ↓Close ↑
The race was 1:17 slower for everyone and the clock still says 2:10 faster: 3:27 gained on the field.
The fieldCompare these two →1:17 slower This pair2:10 faster -
Amsterdam21 Jan 2026Doubles Open · Mixed1:29:21405/506Beat 20%
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Hamburg2 Oct 2025Doubles Open · Mixed1:32:30557/711Beat 22%