Swim Serpentine Half Mile
Half a lap of the Serpentine Lake at your chosen pace, as part of the one-day open water swimming festival in the beautiful Hyde Park.
- Sat 20 Sep 2025
- Entries closed
08:15
Age 12 & over
£20
- 0.5 mile lake swimming
Event overview
Swim Serpentine is a swimming event that takes place in the world-famous Serpentine Lake in London's Hyde Park. There are four distance options to choose from, making this the perfect event for an enjoyable and memorable open water swim.
Highlights
Open water swimming event
Brought to you by the organisers of the London Marathon.
Iconic Central London location
Swim in the Serpentine Lake in Hyde Park, London's largest Royal Park.
Distances for all abilities
Festival day with inspirational speakers, kit and like-minded folk.
This event is part of Swim Serpentine.
Event community
Event details
- Event expo
- Event village
- Free venue entry
- Spectators
- Swim hat provided
- Traders at event
- Wetsuit optional
- Wheelchair users
Location
- Bag storage
- Cafe
- Changing facilities
- Toilets
- Urban
Route
- Distance markers
- First aid
- No headphones
- Point to point
- Wave start
Sustainability
- Public transport links
- Recycling
- Sustainability policy
What's included
- Medal
Do it for charity
Looking to do this event for charity? Charity entry options are explained on the Swim Serpentine Half Mile charity places for 2025 page.
Health and Medical
Royal Osteoporosis Society
Driving research into bone health to create a future without osteoporosis.
- T-shirt
- Fundraising support
- Fundraising materials
- Dedicated contact
- Submit fundraising up to 1 month after event
Get a place from the charity.
Sign up
£30
Fundraise
£150
Entries
- Age 12 & over
- Entries closed
- Charity entries closed
- Charity places
- Enter online