Progress against the field
Between London Excel 2025 and Berlin 2026, Mackenzie Sykes and Harvey Sheard pulled 4:04 ahead of the field.
The races themselves barely changed, so 4:28 faster on the clock is the real picture.
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 Doubles Open · Men, with Harvey Sheard, the one raced most; every comparison is in the list below.
Every race
5 races · 5 events
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Berlin22 May 2026Doubles Open · Men1:00:31 PB26/816Beat 97%
↑ 169 days after London Excel 2025, with Harvey Sheard 4:04 better than the field Why ↓Close ↑
4:28 faster on the clock, and the race was 0:24 faster for everyone, so 4:04 of it was this pair.
The fieldCompare these two →0:24 faster This pair4:28 faster -
Malaga16 Apr 2026Doubles Open · Mixed1:05:11 PB51/546Beat 91%
↑ 176 days after Birmingham 2025, with Megan Sellars 9:01 better than the field Why ↓Close ↑
9:01 better than the field: 12:02 faster on the clock, against 3:01 faster for everyone.
The fieldCompare these two →3:01 faster This pair12:02 faster -
London Olympia24 Mar 2026Individual Open · Men1:11:42 PB131/716Beat 82%
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London Excel4 Dec 2025Doubles Open · Men1:04:59513/2102Beat 76%
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Birmingham22 Oct 2025Doubles Open · Mixed1:17:13115/312Beat 63%