Progress against the field
NIALL O REILLY has dropped 1:21 behind the field from Warsaw 2025 to Birmingham 2026.
The clock says 3:07 faster, but the races themselves got 4:28 quicker for everyone.
The biggest step was Warsaw 2026 → Berlin 2026: 2:10 on the field in 36 days.
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
10 races · 9 events
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Birmingham31 Oct 2026Individual Open · Men1:06:5148/646Beat 93%
↑ 162 days after Berlin 2026 4:10 worse than the field Why ↓Close ↑
4:10 behind the field: 2:00 slower on the clock, against 2:10 faster for everyone.
The fieldCompare these two →2:10 faster This athlete2:00 slower -
Berlin22 May 2026Individual Open · Men1:04:5133/686Beat 95%
↑ 36 days after Warsaw 2026 2:10 better than the field Slower on the clock, ahead of the field Why ↓Close ↑
0:49 slower on the clock, but the race was 2:59 slower for everyone, so this was 2:10 better than the field.
The fieldCompare these two →2:59 slower This athlete0:49 slower -
Warsaw16 Apr 2026Individual Open · Men1:04:02 PB29/555Beat 95%
↑ 36 days after Glasgow 2026 2:31 worse than the field Faster on the clock, behind the field Why ↓Close ↑
1:41 faster on the clock looks better than it was: the race was 4:12 faster for everyone, which leaves this 2:31 behind the field.
The fieldCompare these two →4:12 faster This athlete1:41 faster -
Glasgow11 Mar 2026Individual Open · Men1:05:4342/595Beat 93%
↑ 119 days after Dublin 2025 2:06 better than the field Why ↓Close ↑
2:06 better than the field: 2:22 faster on the clock, against 0:16 faster for everyone.
The fieldCompare these two →0:16 faster This athlete2:22 faster -
Manchester21 Jan 2026Individual Open · MenDNF—
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Dublin12 Nov 2025Individual Open · Men1:08:0562/468Beat 87%
↑ 47 days after Rome 2025 1:06 better than the field Why ↓Close ↑
1:06 better than the field: 4:01 faster on the clock, against 2:55 faster for everyone.
The fieldCompare these two →2:55 faster This athlete4:01 faster -
Rome26 Sep 2025Doubles Open · Men1:05:56 PB194/775Beat 75%
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Rome26 Sep 2025Individual Open · Men1:12:06291/1367Beat 79%
↑ 167 days after Warsaw 2025 0:02 worse than the field Why ↓Close ↑
2:08 slower on the clock, and the race was 2:06 slower for everyone. Whatever changed, it changed for all of them.
The fieldCompare these two →2:06 slower This athlete2:08 slower -
Warsaw12 Apr 2025Individual Open · Men1:09:58121/768Beat 84%
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Dublin28 Oct 2023Doubles Open · Men1:28:08314/350Beat 10%