TriBourne Festival of Endurance
Sun, Jul 20, 2025
Western Lawns, Eastbourne



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About
Tribourne is a challenge like no other. If you're looking to put your physical abilities, swimming, running, and cycling skills to the test, then this is the event for you. Entrants for the long distance race will swim, cycle and run their way across a staggering 104.6 miles.
Long Distance Triathlon (19+), Full Distance Aquabike (18+), Middle Distance Triathlon (18+), and 6 more
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Sun, Jul 20, 2025
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Eastbourne, United Kingdom
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4.2
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Where and when
Location
Western Lawns, King Edward's Parade, Eastbourne BN21 4EH, UK
Start times
Long Distance Triathlon (19+): TBCFull Distance Aquabike (18+): TBCMiddle Distance Triathlon (18+): TBCMiddle Distance Aquabike (18+): TBCFull Distance Triathlon Relay (18+): TBCMiddle Distance Triathlon Relay (18+): TBC3.8k Swim (19+): TBCMarathon (18+): TBC1.9k Swim (18+): TBC
Event summary
Here are the distances available for TriBourne Festival of Endurance
Long Distance Triathlon (19+)
2.4mi
112mi
26.2mi
£369
Full Distance Aquabike (18+)
2.4mi
112mi
£199
Middle Distance Triathlon (18+)
1.2mi
56mi
13.1mi
£199
Middle Distance Aquabike (18+)
1.2mi
56mi
£139
Long Distance Triathlon (19+)
2.4mi
112mi
26.2mi
£369
Full Distance Aquabike (18+)
2.4mi
112mi
£199
Middle Distance Triathlon (18+)
1.2mi
56mi
13.1mi
£199
Middle Distance Aquabike (18+)
1.2mi
56mi
£139
Route information
Iconic Full Distance Triathlon returns in 2025. South East Event of the Year and British Championships in 2024. From the organisers of the multi-award-winning Eastbourne Triathlon. Alongside this there will also be a Middle Distance Triathlon, Full and Middle Distance Aquabike, 1.9k Swim, 3.8km Swim and a Marathon!
Starting with an iconic jump from the end of Eastbourne's historic pier to begin your swim, followed by a fast cycle course taking in National Parks and finishing with a flat run route along the beautiful Eastbourne seafront with less than 100m of elevation.
Numbers are strictly limited so please don't delay or you risk the event selling out. We also offer Booking Protection so there really is nothing to lose and everything to gain by entering early!
Organizer route images
What's included
- On Course Nutrition
- Finisher's t-shirt
- Finisher's Medal
- British Triathlon affiliated event
- Chip-timed results
- Secure transition
How to get there
Western Lawns, King Edward's Parade, Eastbourne BN21 4EH, UK
Get full directionsBy Train
Eastbourne Station is the closest train station to the start location, situated 0.7 miles away, which should take roughly 15 minutes to walk, or 5 minutes to cycle.
Parking
There are plenty of Pay & Display car parks dotted around the Eastbourne area. Please arrive early, allowing plenty of time to find a parking space in case it is busy.
Hotels and Accommodation
Find some of the best hotel rates close to the startline with Hotel Planner.
Find your roomEvent day logistics
All start times and locations will be available closer to the date of the event.
Cut-off Times
- Swim - 2 hours 20 minutes + a further 10 minutes from the swim cut off to start the bike.
- Bike - 10 hours 30 minutes (after you cross the swim start timing mat) + a further 10 minutes from the bike cut off to start the run. Run: 17 hours (after you cross the swim start timing mat).
Age Restrictions
There are age restrictions in place at the event, which are as follows:
- Long Distance Triathlon - 19 and over
- Long Distance Aquabike - 18 and over
- Middle Distance Triathlon - 18 and over
- Middle Distance Aquabike - 18 and over
- 3.8k Swim - 19 and over
- Marathon - 18 and over
Relay Team Entry
Teams of three may enter the relay race, with each team member completing one discipline. To enter, one team member will submit entry and make the payment on behalf of the entire team (less any BTF day licence fees needed for the additional team members). This team member will enter their own details as team member 1 and enter the email addresses of their teammates.
Once payment is processed, the other teammates will receive an email containing a link which they must follow in order to input their own personal details. At this point, any team members who are not BTF members will be asked to pay an additional £1 for their own BTF day licence.
TRIBOURNE Multisports Events Limited
View more TRIBOURNE Multisports Events Limited eventsFAQs
Do I need to be BTF affiliated in order to participate in the Ironbourne Triathlons?
No, all athletes are welcome. Those who are not affiliated however, will have to purchase a one-day BTF licence with your entry, for the additional cost of £6.
Where will the swim leg of the Ironbourne Triathlons and Aquabikes take place?
The swim portion of the races will take place in the sea, along the iconic backdrop of Eastbourne pier.
Are there any age restrictions for the Ironbourne Triathlons and Aquabike races?
Entrants for the Long Distance Triathlon and Relay must be aged 19 and over. Entrants for all other races must be aged 18 and over.
Reviews
4.2
7 reviews
Event passed
Results & Photos
33 Broadwick St, London W1F 0DQ
Reg number 10083277