The new 100k race at Eastbourne Triathlon will start with a 2km sea swim, followed by an 80km cycle on fully closed-roads and finishing with a 18km seafront run.
Strictly limited to 200 entries in 2025, enter now to avoid disappointment.
Perfect for...
More experienced triathletes and those looking for a new challenge!
Please Note: Due to road closures, there is a time limit of 5 hours for the 2km swim and 80km bike combined.
Key Facts
- Date: Sunday 8th June 2025
- Location: Western Lawns, Eastbourne
- Start time: 06:30am
- Swim: 2km (sea)
- Bike: 80km (closed roads)
- Run: 18km
- Awards: First three open and female.
100k Distance Triathlon
Sunday 8th June 2025
Swim: 2km Bike: 80km Run: 18km
Sunday 8th June 2025
Swim: 2km Bike: 80km Run: 18km
100k Distance Triathlon Relay
Sunday 8th June 2025
Swim: 2km Bike: 80km Run: 18km
Sunday 8th June 2025
Swim: 2km Bike: 80km Run: 18km
The Swim
The 2km swim routes will start from the Lifeguard's Beach and follow a clockwise route. The course will consist of an initial short lap of 500m followed by a long lap of 1,500m.
The Run
