Progress against the field
Between Boston 2025 and Boston 2026, Michael Day lost 6:09 to the field.
Over the same races everyone got 0:43 quicker, so 5:26 slower on the clock looks better than it was.
230 days between Atlanta 2025 and Stockholm 2026 is the longest gap compared here, and the second race was 7:14 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 Pro · Men, the one raced most; every comparison is in the list below.
Every race
12 races · 12 events
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Boston8 Oct 2026Individual Pro · Men1:20:28157/339Beat 54%
↑ 112 days after Stockholm 2026 1:20 better than the field Why ↓Close ↑
2:37 faster on the clock, and the race was 1:17 faster for everyone, so 1:20 of it was this athlete.
The fieldCompare these two →1:17 faster This athlete2:37 faster -
Stockholm18 Jun 2026Individual Pro · Men1:23:05684/767Beat 11%
↑ 230 days after Atlanta 2025 7:14 worse than the field Why ↓Close ↑
7:41 slower on the clock in a race that was 0:27 slower for everyone: 7:14 lost to the field.
The fieldCompare these two →0:27 slower This athlete7:41 slower -
Atlanta31 Oct 2025Individual Pro · Men1:15:2452/175Beat 70%
↑ 35 days after Boston 2025 0:15 worse than the field Why ↓Close ↑
0:15 behind the field: 0:22 slower on the clock, against 0:07 slower for everyone.
The fieldCompare these two →0:07 slower This athlete0:22 slower -
Boston26 Sep 2025Individual Pro · Men1:15:0283/249Beat 67%
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Chicago - North American Open Championship11 Feb 2023Individual Open · Men1:06:52 PB18/354Beat 95%
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New York1 Oct 2022Individual Pro · Men1:13:0411/90Beat 88%
↑ 140 days after Las Vegas 2022 1:29 better than the field Why ↓Close ↑
The race was 0:48 slower for everyone and the clock still says 0:41 faster: 1:29 gained on the field.
The fieldCompare these two →0:48 slower This athlete0:41 faster -
Las Vegas14 May 2022Individual Pro · Men1:13:4554/263Beat 80%
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Dallas22 Feb 2020Individual Pro · Men1:16:3913/70Beat 81%
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Chicago25 Jan 2020Individual Pro · Men1:15:259/83Beat 89%
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New York14 Dec 2019Individual Pro · Men1:17:329/70Beat 87%
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U.S. Championships of Fitness 2021 - ChicagoDate unknownIndividual Pro · Men1:17:344/45Beat 91%
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World Championships ManchesterDate unknownIndividual Pro · Men1:10:46 PB159/432Beat 63%