Progress against the field
From Bangkok 1 2026 to Bangkok 2026, Billy Costoglou got 5:39 faster than the field.
The clock says 11:21 faster, but the races themselves got 5:42 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.
Every race
5 races · 4 events
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Bangkok13 Aug 2026Doubles Open · Men1:20:38 PB340/1430Beat 76%
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Bangkok13 Aug 2026Individual Open · Men1:27:44 PB515/2227Beat 77%
↑ 146 days after Bangkok 1 2026 5:39 better than the field Why ↓Close ↑
5:39 better than the field: 11:21 faster on the clock, against 5:42 faster for everyone.
The fieldCompare these two →5:42 faster This athlete11:21 faster -
Bangkok 120 Mar 2026Individual Open · Men1:39:051262/2401Beat 47%
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Hong Kong26 Jul 2025Doubles Open · Mixed1:20:14 PB102/589Beat 83%
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Bangkok24 May 2025Doubles Open · Mixed1:24:09137/416Beat 67%