Progress against the field
Between London 2021 and Manchester 2023, Sean Michael Hammond lost 4:14 to the field.
The clock says 1:16 faster, but the races themselves got 5:30 quicker for everyone.
The longest gap between two races compared here, 350 days between Birmingham 2021 and Birmingham 2022, 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
22 races · 22 events
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London Excel4 Dec 2025Individual Pro · Men1:31:10401/467Beat 14%
↑ 215 days after London 2025 3:05 worse than the field Why ↓Close ↑
3:05 behind the field: 1:25 slower on the clock, against 1:40 faster for everyone.
The fieldCompare these two →1:40 faster This athlete1:25 slower -
Rome26 Sep 2025Individual Open · Men1:32:481014/1367Beat 26%
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London3 May 2025Individual Pro · Men1:29:45192/229Beat 16%
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Warsaw12 Apr 2025Individual Pro · Men1:22:47137/213Beat 36%
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Copenhagen14 Mar 2025Individual Pro · Men1:20:53120/177Beat 32%
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Rotterdam27 Feb 2025Individual Open · Men1:16:16 PB124/584Beat 79%
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London29 Nov 2024Individual Pro · Men1:23:23108/182Beat 41%
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Copenhagen23 Mar 2024Individual Pro · Men1:19:3492/167Beat 45%
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Turin3 Feb 2024Individual Pro · MenDNF—
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London26 Nov 2023Individual Pro · Men1:19:32 PB141/321Beat 56%
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Amsterdam4 Nov 2023Individual Pro · Men1:22:0635/102Beat 66%
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München14 Oct 2023Individual Pro · Men1:20:5252/121Beat 57%
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Milan7 Oct 2023Individual Pro · Men1:20:4430/129Beat 77%
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Malmö30 Sep 2023Individual Pro · Men1:21:2128/52Beat 46%
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Rotterdam20 May 2023Individual Pro · Men1:23:5619/53Beat 64%
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Glasgow11 Feb 2023Individual Pro · Men1:22:4057/89Beat 36%
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Manchester28 Jan 2023Individual Open · Men1:23:09205/649Beat 68%
↑ 105 days after Birmingham 2022 1:44 worse than the field Why ↓Close ↑
1:44 behind the field: 1:26 slower on the clock, against 0:18 faster for everyone.
The fieldCompare these two →0:18 faster This athlete1:26 slower -
London19 Nov 2022Individual Pro · Men1:27:3475/99Beat 24%
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Birmingham15 Oct 2022Individual Open · Men1:21:43336/960Beat 65%
↑ 350 days after Birmingham 2021 4:32 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:56 faster on the clock looks better than it was: the race was 6:28 faster for everyone, which leaves this 4:32 behind the field.
The fieldCompare these two →6:28 faster This athlete1:56 faster -
Birmingham30 Oct 2021Individual Open · Men1:23:3964/178Beat 64%
↑ 35 days after London 2021 2:02 better than the field Why ↓Close ↑
0:46 faster on the clock in a race that was 1:16 slower for everyone: 2:02 better than the field.
The fieldCompare these two →1:16 slower This athlete0:46 faster -
London25 Sep 2021Individual Open · Men1:24:2565/146Beat 56%
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World Championships NiceDate unknownIndividual Pro · Men1:24:34697/830Beat 16%