Progress against the field
Between Warsaw 2026 and Birmingham 2026, Ryan Glennerster lost 0:56 to the field.
Over the same races everyone got 0:43 slower, so 1:39 slower on the clock looks worse 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. The summary above covers Individual Open · Men, the one raced most; every comparison is in the list below.
Every race
7 races · 6 events
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Birmingham31 Oct 2026Individual Open · Men1:06:4675/677Beat 89%
↑ 198 days after Warsaw 2026 0:56 worse than the field Why ↓Close ↑
0:56 behind the field: 1:39 slower on the clock, against 0:43 slower for everyone.
The fieldCompare these two →0:43 slower This athlete1:39 slower -
Warsaw16 Apr 2026Individual Open · Men1:05:07 PB37/555Beat 93%
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Glasgow11 Mar 2026Doubles Open · Mixed1:15:16 PB320/1198Beat 73%
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Glasgow11 Mar 2026Individual Pro · Men1:11:30 PB56/140Beat 60%
↑ 97 days after London Excel 2025 6:43 better than the field Why ↓Close ↑
6:43 better than the field: 7:00 faster on the clock, against 0:17 faster for everyone.
The fieldCompare these two →0:17 faster This athlete7:00 faster -
Amsterdam21 Jan 2026Individual Open · Men1:07:18107/1620Beat 93%
↑ 96 days after Valencia 2025 5:44 better than the field Why ↓Close ↑
8:42 faster on the clock, and the race was 2:58 faster for everyone, so 5:44 of it was this athlete.
The fieldCompare these two →2:58 faster This athlete8:42 faster -
London Excel4 Dec 2025Individual Pro · Men1:18:30282/467Beat 40%
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Valencia17 Oct 2025Individual Open · Men1:16:00304/1018Beat 70%