Progress against the field
Between Anaheim 2024 and Phoenix 2026, Jeffrey Koskimaki lost 6:29 to the field.
Over the same races everyone got 11:46 quicker, so 5:17 faster on the clock looks better than it was.
272 days between Las Vegas 2025 and Atlanta 2025 is the longest gap compared here, and the second race was 5:03 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.
Every race
5 races · 5 events
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Phoenix29 Jan 2026Individual Open · Men1:12:0647/616Beat 92%
↑ 90 days after Atlanta 2025 2:38 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:07 faster on the clock looks better than it was: the race was 3:45 faster for everyone, which leaves this 2:38 behind the field.
The fieldCompare these two →3:45 faster This athlete1:07 faster -
Atlanta31 Oct 2025Individual Open · Men1:13:1370/788Beat 91%
↑ 272 days after Las Vegas 2025 5:03 worse than the field Why ↓Close ↑
5:03 behind the field: 0:22 slower on the clock, against 4:41 faster for everyone.
The fieldCompare these two →4:41 faster This athlete0:22 slower -
Las Vegas1 Feb 2025Individual Open · Men1:12:5163/689Beat 91%
↑ 56 days after Anaheim 2024 1:12 better than the field Why ↓Close ↑
1:12 better than the field: 4:32 faster on the clock, against 3:20 faster for everyone.
The fieldCompare these two →3:20 faster This athlete4:32 faster -
Anaheim7 Dec 2024Individual Open · Men1:17:2373/607Beat 88%
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Houston16 Mar 2024Individual Open · Men1:09:12 PB27/406Beat 93%