Progress against the field
Jim Tsoi has dropped 26:04 behind the field from Dallas 2023 to Dallas 2025.
Over the same races everyone got 11:32 quicker, so 14:32 slower 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
2 races · 2 events
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Dallas21 Nov 2025Individual Open · Men1:51:411745/2078Beat 16%
↑ 734 days after Dallas 2023 26:04 worse than the field Why ↓Close ↑
26:04 behind the field: 14:32 slower on the clock, against 11:32 faster for everyone.
The fieldCompare these two →11:32 faster This athlete14:32 slower -
Dallas18 Nov 2023Individual Open · Men1:37:09 PB222/436Beat 49%