Progress against the field
Sion John has gained 2:01 on the field from Birmingham 2024 to Rome 2026.
Over the same races everyone got 10:01 quicker, so 12:02 faster on the clock looks better than it was.
481 days between Cardiff 2025 and Rome 2026 is the longest gap compared here, and the second race was 1:19 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
5 races · 4 events
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Rome23 Sep 2026Individual Open · Men1:13:59 PB217/1062Beat 80%
↑ 481 days after Cardiff 2025 1:19 worse than the field Faster on the clock, behind the field Why ↓Close ↑
4:12 faster on the clock, yet the race was 5:31 faster for everyone, so 1:19 was lost on the field.
The fieldCompare these two →5:31 faster This athlete4:12 faster -
Cardiff30 May 2025Relay · Men1:16:0721/24Beat 13%
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Cardiff30 May 2025Individual Open · Men1:18:11237/639Beat 63%
↑ 35 days after Barcelona 2025 2:15 better than the field Why ↓Close ↑
2:15 better than the field: 3:32 faster on the clock, against 1:17 faster for everyone.
The fieldCompare these two →1:17 faster This athlete3:32 faster -
Barcelona25 Apr 2025Individual Open · Men1:21:43524/1106Beat 53%
↑ 182 days after Birmingham 2024 1:05 better than the field Why ↓Close ↑
1:05 better than the field: 4:18 faster on the clock, against 3:13 faster for everyone.
The fieldCompare these two →3:13 faster This athlete4:18 faster -
Birmingham25 Oct 2024Individual Open · Men1:26:01991/1916Beat 48%