Distances
Two distances. One tide-assisted Thames course.
Choose the 10 km Thames Swim or the 5 km Landmark Swim. Both are designed for capable open water swimmers — full entry standards will be published before entries open.
Long course
10 km Thames Swim
The headline Swim London distance. A serious tide-assisted Thames swim for the experienced open water swimmer.
- Tow float required
- Open water experience essential
- Wetsuit policy confirmed before entries open
- Cut-off times published with entry information
Distance details
Landmark course
5 km Landmark Swim
A meaningful river swim for capable swimmers wanting a landmark London distance without the full 10 km commitment.
- Tow float required
- Open water experience essential
- Wetsuit policy confirmed before entries open
- Same tide-assisted Thames corridor
Distance details