Progress against the field
Céline Grontzki has dropped 4:17 behind the field from Frankfurt 2024 to Maastricht 2025.
Over the same races everyone got 3:32 quicker, so 0:45 slower on the clock looks better than it was.
The largest gain on the field came from Frankfurt 2024 → Vienna 2025: 2:36 in 70 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. The summary above covers Individual Open · Women, the one raced most; every comparison is in the list below.
Every race
10 races · 10 events
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Hamburg28 Oct 2026Individual Pro · Women1:20:36 PB93/267Beat 65%
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Karlsruhe1 Oct 2026Individual Pro · Women1:23:3141/99Beat 59%
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Maastricht19 Sep 2026Individual Pro · Women1:25:2465/160Beat 59%
↑ 241 days after Amsterdam 2026 3:41 worse than the field Why ↓Close ↑
3:41 behind the field: 3:52 slower on the clock, against 0:11 slower for everyone.
The fieldCompare these two →0:11 slower This athlete3:52 slower -
Amsterdam21 Jan 2026Individual Pro · Women1:21:3261/128Beat 52%
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Frankfurt12 Dec 2025Individual Pro · Women1:28:3096/174Beat 45%
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Hamburg2 Oct 2025Individual Open · Women1:15:40 PB70/668Beat 90%
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Maastricht19 Sep 2025Individual Open · Women1:28:2986/348Beat 75%
↑ 162 days after Cologne 2025 7:31 worse than the field Why ↓Close ↑
7:31 behind the field: 8:26 slower on the clock, against 0:55 slower for everyone.
The fieldCompare these two →0:55 slower This athlete8:26 slower -
Cologne10 Apr 2025Individual Open · Women1:20:0351/265Beat 81%
↑ 47 days after Vienna 2025 0:38 better than the field Why ↓Close ↑
0:38 better than the field: 1:08 faster on the clock, against 0:30 faster for everyone.
The fieldCompare these two →0:30 faster This athlete1:08 faster -
Vienna22 Feb 2025Individual Open · Women1:21:11265/684Beat 61%
↑ 70 days after Frankfurt 2024 2:36 better than the field Why ↓Close ↑
2:36 better than the field: 6:33 faster on the clock, against 3:57 faster for everyone.
The fieldCompare these two →3:57 faster This athlete6:33 faster -
Frankfurt14 Dec 2024Individual Open · Women1:27:44339/763Beat 56%