Progress against the field
Rens Artz has gained 5:38 on the field from Heerenveen 2025 to Mechelen 2026.
Over the same races everyone got 7:33 quicker, so 13:11 faster on the clock looks better than it was.
The largest gain on the field came from Heerenveen 2025 → Maastricht 2025: 9:17 in 133 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
7 races · 7 events
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Maastricht19 Sep 2026Relay · Men1:05:1615/37Beat 60%
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Rotterdam15 Apr 2026Doubles Open · Men1:08:29 PB118/580Beat 80%
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Mechelen26 Mar 2026Individual Open · Men1:13:23294/1363Beat 78%
↑ 64 days after Amsterdam 2026 2:05 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:19 faster on the clock looks better than it was: the race was 2:24 faster for everyone, which leaves this 2:05 behind the field.
The fieldCompare these two →2:24 faster This athlete0:19 faster -
Amsterdam21 Jan 2026Individual Open · Men1:13:42317/1620Beat 80%
↑ 48 days after London Excel 2025 1:30 worse than the field Why ↓Close ↑
1:16 slower on the clock in a race that was 0:14 faster for everyone: 1:30 lost to the field.
The fieldCompare these two →0:14 faster This athlete1:16 slower -
London Excel4 Dec 2025Individual Open · Men1:12:26 PB600/2779Beat 78%
↑ 76 days after Maastricht 2025 0:04 worse than the field Why ↓Close ↑
Moved with the field: 6:33 faster on the clock, against 6:37 faster for everyone.
The fieldCompare these two →6:37 faster This athlete6:33 faster -
Maastricht19 Sep 2025Individual Open · Men1:18:59295/1352Beat 78%
↑ 133 days after Heerenveen 2025 9:17 better than the field Why ↓Close ↑
The race was 1:42 slower for everyone and the clock still says 7:35 faster: 9:17 gained on the field.
The fieldCompare these two →1:42 slower This athlete7:35 faster -
Heerenveen9 May 2025Individual Open · Men1:26:34663/1217Beat 46%