Progress against the field
Between London Olympia 2026 and Warsaw 2026, Zack Brierley kept pace with the field.
The clock says 2:59 faster, but the races themselves got 2:59 quicker for everyone.
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. The summary above covers Individual Open · Men, the one raced most; every comparison is in the list below.
Every race
7 races · 7 events
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Valencia17 Oct 2026Individual Pro · Men1:12:41 PB151/419Beat 64%
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Warsaw16 Apr 2026Individual Open · Men1:06:08 PB100/1792Beat 94%
↑ 23 days after London Olympia 2026 0:00 better than the field Why ↓Close ↑
Moved with the field: 2:59 faster on the clock, against 2:59 faster for everyone.
The fieldCompare these two →2:59 faster This athlete2:59 faster -
London Olympia24 Mar 2026Individual Open · Men1:09:0786/897Beat 90%
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Katowice21 Feb 2026Individual Open · Men1:08:2780/859Beat 91%
↑ 31 days after Manchester 2026 2:36 better than the field Why ↓Close ↑
2:36 better than the field: 6:52 faster on the clock, against 4:16 faster for everyone.
The fieldCompare these two →4:16 faster This athlete6:52 faster -
Manchester21 Jan 2026Individual Open · Men1:15:19134/529Beat 75%
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Rome26 Sep 2025Doubles Open · Men1:02:00 PB93/775Beat 88%
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Berlin16 May 2025Doubles Open · Men1:03:27248/1325Beat 81%