Progress against the field
From Utrecht 2025 to Rotterdam 2026, Jim Jansen got 7:10 faster than the field.
The clock says 12:29 faster, but the races themselves got 5:19 quicker for everyone.
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 · 3 events
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Rotterdam15 Apr 2026Individual Open · Men1:10:18 PB35/401Beat 91%
↑ 138 days after Utrecht 2025 7:10 better than the field Why ↓Close ↑
7:10 better than the field: 12:29 faster on the clock, against 5:19 faster for everyone.
The fieldCompare these two →5:19 faster This athlete12:29 faster -
Rotterdam15 Apr 2026Individual Open · Men1:15:53118/556Beat 79%
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Amsterdam21 Jan 2026Doubles Open · Men1:08:02 PB84/344Beat 76%
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Utrecht28 Nov 2025Individual Open · Men1:22:47189/575Beat 67%