Here you will find a database of British Swimming Relay Splits, searchable by event, relay, swimmer and year. Explore using the filters below or click an item in the tables to get started
Below is a random top 10 from the database - use the search and filters above to explore more.
Top 10 Fastest Male 100m Butterfly Splits
| Rank | Split | Name | Date | Event | Meet | Location |
|---|---|---|---|---|---|---|
| 1 | 00:50.00 | James Guy | 31-07-2021 | 4x100m medley relay | Olympic Games | Tokyo, Japan |
| 2 | 00:50.27 | James Guy | 01-08-2021 | 4x100m medley relay | Olympic Games | Tokyo, Japan |
| 3 | 00:50.51 | James Guy | 26-07-2017 | 4x100m medley relay | World Championships | Budapest, Hungary |
| 4 | 00:50.58 | James Guy | 29-07-2021 | 4x100m medley relay | Olympic Games | Tokyo, Japan |
| 5 | 00:50.61 | James Guy | 20-05-2021 | 4x100m medley relay | European Championships | Budapest, Hungary |
| 6 | 00:50.65 | James Guy | 23-05-2021 | 4x100m medley relay | European Championships | Budapest, Hungary |
| 7 | 00:50.69 | Adam Barrett | 24-08-2014 | 4x100m medley relay | European Championships | Berlin, Germany |
| 8 | 00:50.71 | Michael Rock | 02-08-2009 | 4x100m medley relay | World Championships | Rome, Italy |
| 9 | 00:50.72 | James Guy | 24-07-2019 | 4x100m medley relay | World Championships | Gwangju, South Korea |
| 10 | 00:50.77 | James Guy | 30-07-2021 | 4x100m medley relay | Olympic Games | Tokyo, Japan |
Version 1.28. Database last updated: 25/08/25. All data is unofficial
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