Progress against the field
Between Heerenveen 2025 and Rotterdam 2026, Sander Gijsen lost 6:04 to the field.
Over the same races everyone got 5:54 quicker, so 0:10 slower on the clock looks better than it was.
The longest gap between two races compared here, 203 days between Heerenveen 2025 and Utrecht 2025, cost 4:32 on 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
9 races · 8 events
-
Heerenveen14 May 2026Doubles Open · Men1:07:16 PB135/494Beat 73%
-
Rotterdam15 Apr 2026Relay · Men1:03:2918/79Beat 77%
-
Rotterdam15 Apr 2026Individual Open · Men1:22:37211/556Beat 62%
↑ 20 days after Mechelen 2026 0:21 worse than the field Why ↓Close ↑
0:42 slower on the clock in a race that was 0:21 slower for everyone: 0:21 lost to the field.
The fieldCompare these two →0:21 slower This athlete0:42 slower -
Mechelen26 Mar 2026Individual Open · Men1:21:55 PB304/561Beat 46%
↑ 118 days after Utrecht 2025 1:11 worse than the field Faster on the clock, behind the field Why ↓Close ↑
4:57 faster on the clock, yet the race was 6:08 faster for everyone, so 1:11 was lost on the field.
The fieldCompare these two →6:08 faster This athlete4:57 faster -
Amsterdam21 Jan 2026Doubles Open · Men1:08:06296/994Beat 70%
↑ 468 days after Amsterdam 2024, with Benny Kleine 3:04 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:59 faster on the clock looks better than it was: the race was 5:03 faster for everyone, which leaves this 3:04 behind the field.
The fieldCompare these two →5:03 faster This pair1:59 faster -
Utrecht28 Nov 2025Individual Open · Men1:26:52602/1337Beat 55%
↑ 203 days after Heerenveen 2025 4:32 worse than the field Why ↓Close ↑
4:25 slower on the clock in a race that was 0:07 faster for everyone: 4:32 lost to the field.
The fieldCompare these two →0:07 faster This athlete4:25 slower -
Heerenveen9 May 2025Individual Open · Men1:22:27501/1217Beat 59%
-
Rotterdam27 Feb 2025Individual Open · MenDNF—
-
Amsterdam10 Oct 2024Doubles Open · Men1:10:05224/855Beat 74%