Progress against the field
Between Chicago 2023 and Chicago 2025, Al Waterloo lost 3:05 to the field.
Over the same races everyone got 6:21 quicker, so 3:16 faster on the clock looks better than it was.
259 days between Washington - North American Championships 2024 and Chicago Navy Pier 2024 is the longest gap compared here, and the second race was 1:16 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
6 races · 5 events
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Chicago14 Nov 2025Individual Open · Men1:47:151272/1621Beat 22%
↑ 244 days after Houston 2025 0:09 better than the field Why ↓Close ↑
Moved with the field: 2:17 faster on the clock, against 2:08 faster for everyone.
The fieldCompare these two →2:08 faster This athlete2:17 faster -
Houston15 Mar 2025Individual Open · Men1:49:32808/1005Beat 20%
↑ 119 days after Chicago Navy Pier 2024 18:13 worse than the field Why ↓Close ↑
18:13 behind the field: 18:35 slower on the clock, against 0:22 slower for everyone.
The fieldCompare these two →0:22 slower This athlete18:35 slower -
Chicago Navy Pier16 Nov 2024Individual Open · Men1:30:57 PB462/814Beat 43%
↑ 259 days after Washington - North American Championships 2024 1:16 worse than the field Faster on the clock, behind the field Why ↓Close ↑
0:14 faster on the clock, yet the race was 1:30 faster for everyone, so 1:16 was lost on the field.
The fieldCompare these two →1:30 faster This athlete0:14 faster -
Chicago Navy Pier16 Nov 2024Relay · Mixed1:27:4930/40Beat 25%
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Washington - North American Championships2 Mar 2024Individual Open · Men1:31:11304/498Beat 39%
↑ 112 days after Chicago 2023 16:15 better than the field Why ↓Close ↑
16:15 better than the field: 19:20 faster on the clock, against 3:05 faster for everyone.
The fieldCompare these two →3:05 faster This athlete19:20 faster -
Chicago11 Nov 2023Individual Open · Men1:50:31402/469Beat 14%