Progress against the field
Isaiah Koellner has gained 15:42 on the field from Dallas 2023 to Dallas 2025.
The clock says 26:56 faster, but the races themselves got 11:14 quicker for everyone.
The longest gap between two races compared here, 615 days between Houston 2024 and Dallas 2025, still ended 29:32 ahead of 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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Washington DC3 Sep 2026Doubles Open · Men1:13:45 PB79/258Beat 69%
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Dallas21 Nov 2025Individual Open · Men1:24:20 PB728/2078Beat 65%
↑ 615 days after Houston 2024 29:32 better than the field Why ↓Close ↑
29:32 better than the field: 33:22 faster on the clock, against 3:50 faster for everyone.
The fieldCompare these two →3:50 faster This athlete33:22 faster -
Houston15 Mar 2025Doubles Open · Mixed1:32:54 PB543/749Beat 28%
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Houston16 Mar 2024Individual Open · Men1:57:42343/406Beat 16%
↑ 119 days after Dallas 2023 13:50 worse than the field Why ↓Close ↑
13:50 behind the field: 6:26 slower on the clock, against 7:24 faster for everyone.
The fieldCompare these two →7:24 faster This athlete6:26 slower -
Dallas18 Nov 2023Individual Open · Men1:51:16329/436Beat 25%