Progress against the field
Frank De Groot has dropped 1:45 behind the field from Amsterdam 2024 to Valencia 2026.
Over the same races everyone got 5:23 quicker, so 3:38 faster on the clock looks better than it was.
540 days between Barcelona 2025 and Valencia 2026 is the longest gap compared here, and the second race was 5:53 behind the field.
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
12 races · 12 events
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Valencia17 Oct 2026Individual Open · Men1:22:41125/235Beat 47%
↑ 540 days after Barcelona 2025 5:53 worse than the field Why ↓Close ↑
2:18 slower on the clock in a race that was 3:35 faster for everyone: 5:53 lost to the field.
The fieldCompare these two →3:35 faster This athlete2:18 slower -
Rotterdam15 Apr 2026Relay · Men1:03:5119/79Beat 76%
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Amsterdam21 Jan 2026Doubles Pro · Men1:11:39 PB211/298Beat 29%
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Gent12 Dec 2025Individual Pro · Men1:27:11 PB214/305Beat 30%
↑ 14 days after Utrecht 2025 5:06 better than the field Why ↓Close ↑
5:06 better than the field: 8:11 faster on the clock, against 3:05 faster for everyone.
The fieldCompare these two →3:05 faster This athlete8:11 faster -
Utrecht28 Nov 2025Individual Pro · Men1:35:2269/102Beat 32%
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Valencia17 Oct 2025Individual Pro · Men1:29:4977/94Beat 18%
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Maastricht19 Sep 2025Individual Pro · Men1:34:56161/208Beat 23%
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Barcelona25 Apr 2025Individual Open · Men1:20:23 PB478/1106Beat 57%
↑ 197 days after Amsterdam 2024 4:08 better than the field Why ↓Close ↑
4:08 better than the field: 5:56 faster on the clock, against 1:48 faster for everyone.
The fieldCompare these two →1:48 faster This athlete5:56 faster -
Belgium5 Apr 2025Doubles Pro · Men1:14:5078/122Beat 36%
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Amsterdam10 Oct 2024Individual Open · Men1:26:19791/1539Beat 49%
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Rotterdam6 Apr 2024Doubles Open · Men1:11:04 PB185/722Beat 74%
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World Championships NiceDate unknownDoubles Pro · Men1:15:23366/387Beat 5%