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Essential facts
Swim Serpentine takes place in the beautiful Hyde Park
The one day event sees swimmers complete distances between a half-mile to six-miles.
Inaugural event: 2016
In 2025, the event will return on Saturday 20 September.
Swim Serpentine takes place in the same venue as the London 2012 Marathon Swimming Olympic event.
Swimmers aged 10 and up are invited to take on a half-mile, one-mile, two-mile or six-mile distance around the lake, with waves of swimmers setting off throughout the day.
The two-mile swim also forms part of the London Classics – a fabled sporting challenge comprising the three toughest London endurance events including the London Marathon, RideLondon 100 and Swim Serpentine.
| Year | Finishers | Men | Women | Non-binary |
|---|---|---|---|---|
| 2024 | 4897 | 2402 | 2486 | 9 |
| 2023 | 4154 | 2032 | 2110 | 3 |
| 2021 | 3530 | 1655 | 1875 | |
| 2019 | 4821 | 2325 | 2494 | |
| 2018 | 4387 | 2117 | 2270 | |
| 2017 | 3544 | 1765 | 1779 | |
| 2016 | 3003 | 1368 | 1635 |
