Progress against the field
Between Dallas 2025 and Houston 2026, Lazaro Perez lost 1:19 to the field.
Over the same races everyone got 3:20 quicker, so 2:01 faster on the clock looks better than it was.
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
4 races · 4 events
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Houston26 Mar 2026Individual Open · Men1:01:33 PB7/1243Beat 99%
↑ 125 days after Dallas 2025 1:19 worse than the field Faster on the clock, behind the field Why ↓Close ↑
2:01 faster on the clock looks better than it was: the race was 3:20 faster for everyone, which leaves this 1:19 behind the field.
The fieldCompare these two →3:20 faster This athlete2:01 faster -
Dallas21 Nov 2025Individual Open · Men1:03:3415/2078Beat 99%
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Dallas18 Nov 2023Individual Pro · Men1:07:587/109Beat 94%
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Chicago11 Nov 2023Individual Pro · Men1:06:09 PB14/113Beat 88%