Progress against the field
Between Hamburg 2025 and Rotterdam 2026, Karel Eisses lost 1:03 to the field.
Over the same races everyone got 2:59 quicker, so 1:56 faster on the clock looks better than it was.
The biggest step was Hamburg 2025 → Stockholm 2025: 2:12 on the field in 77 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
12 races · 11 events
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Maastricht19 Sep 2026Doubles Open · Men57:14 PB13/816Beat 98%
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Barcelona14 May 2026Doubles Pro · Men1:26:40412/434Beat 5%
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Lisboa1 May 2026Individual Open · Men1:10:41116/887Beat 87%
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Malaga16 Apr 2026Doubles Open · Men58:1725/607Beat 96%
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Rotterdam15 Apr 2026Individual Open · Men1:12:3745/401Beat 89%
↑ 118 days after Stockholm 2025 3:15 worse than the field Why ↓Close ↑
3:15 behind the field: 3:55 slower on the clock, against 0:40 slower for everyone.
The fieldCompare these two →0:40 slower This athlete3:55 slower -
Mechelen26 Mar 2026Individual Open · MenDNF—
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Amsterdam21 Jan 2026Doubles Open · Mixed1:04:51 PB98/1206Beat 92%
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Amsterdam21 Jan 2026Doubles Pro · Men1:19:57 PB269/298Beat 10%
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Stockholm18 Dec 2025Individual Open · Men1:08:42 PB133/1315Beat 90%
↑ 77 days after Hamburg 2025 2:12 better than the field Why ↓Close ↑
2:12 better than the field: 5:51 faster on the clock, against 3:39 faster for everyone.
The fieldCompare these two →3:39 faster This athlete5:51 faster -
Gent12 Dec 2025Doubles Open · Men1:03:34133/1164Beat 89%
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Hamburg2 Oct 2025Individual Open · Men1:14:33245/1486Beat 84%
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Toulouse8 Feb 2025Individual Open · Men1:27:131042/1789Beat 42%