Progress against the field
From Hamburg 2023 to Frankfurt 2025, Ralf De Vries has moved with the field: what changed on the clock changed for everyone.
Over the same races everyone got 2:35 quicker, so 2:26 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. The summary above covers Individual Open · Men, the one raced most; every comparison is in the list below.
Every race
8 races · 8 events
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Berlin22 May 2026Doubles Open · Mixed1:15:01 PB313/953Beat 67%
↑ 371 days after Berlin 2025, with Anne Jansen 3:33 better than the field Why ↓Close ↑
The race was 2:35 slower for everyone and the clock still says 0:58 faster: 3:33 gained on the field.
The fieldCompare these two →2:35 slower This pair0:58 faster -
Rotterdam15 Apr 2026Doubles Pro · Men1:08:03 PB198/385Beat 49%
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Frankfurt12 Dec 2025Individual Open · Men1:22:52750/1883Beat 60%
↑ 755 days after Hamburg 2023 0:09 worse than the field Why ↓Close ↑
2:26 faster on the clock, and the race was 2:35 faster for everyone. Whatever changed, it changed for all of them.
The fieldCompare these two →2:35 faster This athlete2:26 faster -
Berlin16 May 2025Doubles Open · Mixed1:15:59548/892Beat 39%
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Hamburg18 Nov 2023Individual Open · Men1:25:18336/737Beat 54%
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Essen12 Nov 2022Doubles Open · Mixed1:29:0178/100Beat 22%
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KölnDate unknownIndividual Open · Men1:19:25 PB323/815Beat 60%
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KölnDate unknownIndividual Open · Men1:37:26343/446Beat 23%