Sun 13 Sep 2026
THE LONGEST AQUATHLON IN THE WORLD
Forging new boundaries in aquathlon, it's the infamous Dyfi 13km swim, followed by a stunning 13km trail run back to Aberdyfi along the beautiful Wales Coast Path.
We will get your drop bag to the end of the swim, and get your swim kit back to the finish.
We will get your drop bag to the end of the swim, and get your swim kit back to the finish.
Early Bird Entry
Early bird entry for the first 30 entries:
- Solo £95
- Relay £120 (2 people)
Live Trackers
We invest in the use of Open Tracking GPS so friends & family can follow the athletes live as they take on the longest aquathlon in the world, and receive live results as they cross the finish line!
Pre-Requisite
You will need to be able to sustain a minimum open water swim speed of 3km/h for a minimum of 2h 30mins. This swim is significantly harder than the Hurly Burly. The first 10km is similar, the last 3km is the crux of the swim!
There's no cut-off on the run.
There's no cut-off on the run.
Timings
- Registration in Dovey Yacht Club: 07:00 to 07:30
- Ready to start (beach): 07:55
- Start: 08:00
- Expected first finisher: 11:30
Start List
The start list will be published on the live tracking by Open Tracking.
Near the 8km mark of the Dyfi 13km swim
Hoodie & T-Shirt
Run Route
Live Webcam
Aberdyfi webcam is back up and running, big thanks to Dovey Yacht Club and Aberdyfi Advertising & Improvements Committee. Also check out the Visit Aberdyfi page for daily photos of current conditions and hidden gems in and around the village.
Swimrun training
Sea Temperature
Check out the latest sea temperature for the mouth of the Dyfi Estuary, on an incoming tide. It's often cooler further inland.
PHOTOS 2022
Feel free to download and share.
Feel free to download and share.
RESULTS 2022
High resolution photos are available from Evan Davies Photography here.
Start of The Dyfi 13km, 2022
We only use organic natural fibres in our custom products, made by Teemill. Printed in the UK in a renewable energy powered factory.
The 12km point on the longest aquathlon in the UK
Accommodation
You are coming to visit a beautiful part of the UK and there are plenty of options to make your stay here a memorable one. The Penhelig Hotel, The Britannia Inn and The Dovey Inn offer Hotel accommodation within 5 mins walk from registration. The Treffedian Hotel is 10 mins walk away.
ABERDYFI CAMPING
Tyddyn Rhys Farm has basic camping with stunning views over Cardigan Bay, 10 mins walk to registration. Also check out the all new Dyfi Wild Camping around 3km from the village.
Accommodation a little further out:
Further visitor information: aberdovey.org.uk
ABERDYFI CAMPING
Tyddyn Rhys Farm has basic camping with stunning views over Cardigan Bay, 10 mins walk to registration. Also check out the all new Dyfi Wild Camping around 3km from the village.
Accommodation a little further out:
- The Old Vicarage B & B
- The Tyn Y Cornel Hotel
- Smuggler's Cove
- Nyth Robin Campsite
- Gwern Iago Campsite
- Vaenol Caravan & Camping
- Dyfi Adventure Campsite
Further visitor information: aberdovey.org.uk
Charity Fundraising
The coffee & cake morning hosted by Dovey Yacht Club on 1st Oct, raised £708 for Macmillan Cancer Support, thank you for helping to make it such a successful morning.
The start of The Dyfi 13km, 2022
THE TAFOL TUMBLE 8KM
Starting form Aberdyfi beach swim all the way to a pebbly beach where the River Tafol joins the Dyfi Estuary. Here you will "tumble-turn" and swim back to Aberdyfi, your tumble will coincide with the turning of the tide, more or less! A total of 8km.
We provide expert guiding for small groups on The Tafol Tumble route, and on the "Hurly Burly" route on the Mawddach estuary.
Starting form Aberdyfi beach swim all the way to a pebbly beach where the River Tafol joins the Dyfi Estuary. Here you will "tumble-turn" and swim back to Aberdyfi, your tumble will coincide with the turning of the tide, more or less! A total of 8km.
We provide expert guiding for small groups on The Tafol Tumble route, and on the "Hurly Burly" route on the Mawddach estuary.
The final 200m of The Dyfi 13km
