Sea swims in South East
Find sea swims near me in South East for 2025/2026 - search by date or place, display on a map or use the advanced search to find your perfect race.
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Click an event for full event details, location, route, sustainability, what's included and how to enter.
- Sun 8 Jun
- Entries close soon
- Sun 8 Jun
- Entries close soon
Eastbourne Triathlon | 1500m Swim
The beautiful seaside town of Eastbourne welcomes swimmers of all abilities and experience back for the Eastbourne Triathlon's swimming-only event! Enjoy a sea swim with a pier backdrop.
- Chip timing
- Enter online
- Undulating
- Traffic free
- Age 15 & over
- 1500 m sea swimming
- Sun 20 Jul
- 1 charity
- Sun 20 Jul
- 1 charity
TriBourne Festival of Endurance | 3.8K Swim
Award winning full and middle-distance triathlons, plus a marathon, long-distance swims, aquabike options and triathlon relays.
- Enter online
- All ages
- 3.8 km sea swimming
- Sun 20 Jul
- Sun 20 Jul
TriBourne Festival of Endurance | 1.9K Swim
Award winning full and middle-distance triathlons, plus a marathon, long-distance swims, aquabike options and triathlon relays.
- Enter online
- All ages
- 1.9 km sea swimming
- Sun 31 Aug
- 1 charity
- Sun 31 Aug
- 1 charity
Brighton and Hove Triathlon | 1500M Swim
The swim-only event of the renowned Brighton and Hove Triathlon from the famous seafront promenade! Open water swimmers can soak up one of the biggest events in the triathlon calendar.
- Chip timing
- Enter online
- Age 15 & over
- 1500 m sea swimming