The 2025 edition has been announced. The event will take place on 13 Sep, 2025 (Sat). The details about this event may change. Please check the official website for possible updates.

Dyfi X Swimrun

Aberdyfi, Gwynedd, United Kingdom
13 Sep, 2025 (Sat)

Swimrun

17 km

Organiser: WESWIMRUN

About the event

Welcome to the Dyfi X Swimrun event, set in the stunning UNESCO Dyfi Biosphere. This 17km race takes place on the outskirts of Snowdonia National Park, offering an exhilarating experience for international travelers.Participants will take on a challenging course, consisting of 3.5km swimming and 13.5km running. Divided into six swims and seven runs, this route will test your endurance and push you to your limits.

For nearly 80 years, the Dyfi Estuary has been a hub for fostering resilience, teamwork, and leadership skills in young individuals. The Outward Bound Trust has utilized the beautiful surroundings of the estuary to engage in thrilling wild adventures. Drawing inspiration from this legacy and the Outward Bound spirit, the Dyfi X Swimrun event embraces the original race format from ÖTILLÖ.

Don't miss the opportunity to be a part of this incredible event and challenge yourself in the heart of Wales' stunning natural landscape. Join us at Dyfi X for an unforgettable swimrun experience.

Races offered by this event

You have 37 weeks to prepare

Dyfi Swimrun (Team)

13 Sep, 2025 (Sat)
Swimrun

17 km

Dyfi Swimrun (Solo)

13 Sep, 2025 (Sat)
Swimrun

17 km

Reviews

No reviews yet.
Be the first to share your experience!
Write a review

This week’s best deals

Image of Konya Half Marathon
Up to 65% off

Konya Half Marathon

Konya, Turkey
18 May, 2025 (Sun)
Running
From 7 EUR
Image of Corri Trieste
Up to 60% off

Corri Trieste

Trieste, Italy
17 May, 2025 (Sat)
Running
From 10 EUR
Image of Schwarzwald-Marathon
Up to 60% off

Schwarzwald-Marathon

Bräunlingen, Germany
11-12 Oct, 2025 (Sat - Sun)
Nordic walking, Running
From 10 EUR
Image of XI Stellantis&you port de palma triathlon mallorca
Up to 54% off
5

XI Stellantis&you port de palma triathlon mallorca

Palma, Spain
21 Sep, 2025 (Sun)
Triathlon
From 19 EUR
Image of Linhas de Torres Running Challenge
Up to 50% off

Linhas de Torres Running Challenge

Torres Vedras, Portugal
22 Mar, 2025 (Sat)
Trail running, Walking
From 6 EUR
Image of 15 km de Woluwé-St-Lambert
Up to 50% off
5
Map
Map

15 km de Woluwé-St-Lambert

Woluwe, Belgium
11 May, 2025 (Sun)
Walking, Running, Trail running
From 1 EUR
Image of Vesuvio Ultra Marathon
Up to 50% off

Vesuvio Ultra Marathon

Ottaviano, Italy
31 May, 2025 (Sat)
Trail running
From 20 EUR
Image of Trakai Triathlon
Up to 50% off

Trakai Triathlon

Trakai, Lithuania
29 Jun, 2025 (Sun)
Triathlon
From 25 EUR
Image of Ayvalik Half Marathon
Up to 50% off
5

Ayvalik Half Marathon

Ayvalık, Turkey
13 Sep, 2025 (Sat)
Running
From 25 EUR
Image of Pisa Half Marathon
Up to 50% off

Pisa Half Marathon

Pisa, Italy
12 Oct, 2025 (Sun)
Running
From 10 EUR
Image of Sarajevo Half Marathon
Up to 49% off
4.2

Sarajevo Half Marathon

Sarajevo, Bosnia and Herzegovina
21 Sep, 2025 (Sun)
Running
From 26 EUR
Image of Banja Luka Marathon
Up to 48% off
2.6

Banja Luka Marathon

Banja Luka, Bosnia and Herzegovina
28 Sep, 2025 (Sun)
Running
From 17 EUR
Image of Västerås Swimrun
Up to 48% off

Västerås Swimrun

Jollekappseglarna Västerås, Sweden
16 Aug, 2025 (Sat)
Swimrun
From 87 EUR
Image of Primiero Dolomiti Marathon
Up to 46% off
Map
Map

Primiero Dolomiti Marathon

Fiera di Primiero, Italy
05 Jul, 2025 (Sat)
Trail running
From 15 EUR
Image of Swedbank Tallinn Marathon
Up to 46% off
4.4

Swedbank Tallinn Marathon

Tallinn, Estonia
12-14 Sep, 2025 (Fri - Sun)
Running, Walking
From 25 EUR
Image of Maratona Internacional De Floripa
Up to 44% off
5

Maratona Internacional De Floripa

Florianópolis, Brazil
30-31 Aug, 2025 (Sat - Sun)
Running
From 24 EUR
Image of Sines Triathlon
Up to 44% off

Sines Triathlon

Praia Vasco da Gama, Portugal
21 Sep, 2025 (Sun)
Triathlon
From 100 EUR
Image of PREFA Brno 25
Up to 44% off

PREFA Brno 25

Okres Brno-venkov, Czech Republic
19 Oct, 2025 (Sun)
Running
From 20 EUR
Image of Techcombank Hanoi International Marathon
Up to 44% off
5

Techcombank Hanoi International Marathon

Hanoï, Vietnam
04-05 Oct, 2025 (Sat - Sun)
Running
From 15 EUR
Image of Renascença Fátima Half Marathon
Up to 43% off

Renascença Fátima Half Marathon

Fátima, Portugal
30 Mar, 2025 (Sun)
Running, Walking
From 14 EUR

Registration just opened

Image of 10 km Dcheira

10 km Dcheira

Dcheira El Jihadia, Morocco
12 Jan, 2025 (Sun)
Running
From 18 EUR
Image of Almaty Half Marathon

Almaty Half Marathon

Almaty, Kazakhstan
20 Apr, 2025 (Sun)
Running, Nordic walking
From 28 EUR
Image of 100 Bridges Run
4

100 Bridges Run

Leiden, Netherlands
27-28 Sep, 2025 (Sat - Sun)
Running, Walking
From 15 EUR
Image of Roadford Lake Triathlon - Autumn

Roadford Lake Triathlon - Autumn

Broadwoodwidger, United Kingdom
31 Aug, 2025 (Sun)
Triathlon, Aquabike, Aquathlon
From 51 EUR
Image of Almaty Marathon

Almaty Marathon

Almaty, Kazakhstan
28 Sep, 2025 (Sun)
Nordic walking, Running
From 26 EUR
Image of ATW Remembrance Runs
Up to 18% off
Map
Map

ATW Remembrance Runs

Elder Street, United Kingdom
08 Nov, 2025 (Sat)
Running
From 22 EUR
Image of Extremo Sul Ultramarathon
Map
Map

Extremo Sul Ultramarathon

Barra do Chuí, Brazil
21 Nov, 2025 (Fri)
Trail running
From 314 EUR
Image of The Drop - Kendal

The Drop - Kendal

Up & Running, United Kingdom
06 Dec, 2025 (Sat)
Running
From 55 EUR
Image of Santiago Marathon
5

Santiago Marathon

Santiago, Chile
18 May, 2025 (Sun)
Running
From 77 EUR
Image of Experience Oman Muscat Marathon
Up to 15% off
3.9

Experience Oman Muscat Marathon

Muscat, Oman
21-22 Feb, 2025 (Fri - Sat)
Running
From 15 EUR
Image of London Easter 10k

London Easter 10k

London, United Kingdom
21 Apr, 2025 (Mon)
Running
From 8 EUR
Image of Lagoa Swimrun
Up to 18% off

Lagoa Swimrun

Porches, Portugal
18 May, 2025 (Sun)
Swimrun
From 35 EUR
Image of Rye 10 & 5 Mile
Map
Map

Rye 10 & 5 Mile

East Sussex, United Kingdom
18 May, 2025 (Sun)
Running
From 28 EUR
Image of Perak Triathlon
Up to 42% off

Perak Triathlon

Lumut, Malaysia
14 Jun, 2025 (Sat)
Triathlon
From 44 EUR
Image of Perak Duathlon
Up to 42% off

Perak Duathlon

Marina Island, 32200, Perak, Malaysia, Malaysia
15 Jun, 2025 (Sun)
Duathlon
From 44 EUR
Image of Four Bridges Night Run

Four Bridges Night Run

Škofja Loka, Slovenia
21 Jun, 2025 (Sat)
Running
From 35 EUR
Image of Maratón de La Paz - Bolivia
4

Maratón de La Paz - Bolivia

Avenida Buenos Aires, Bolivia
09 Mar, 2025 (Sun)
Running
From 21 EUR
Image of Marathon du Grésivaudan
Up to 19% off
Map
Map

Marathon du Grésivaudan

Le Versoud, France
18 May, 2025 (Sun)
Running
From 11 EUR
Image of ATW Bristol Triathlon

ATW Bristol Triathlon

Bristol City, United Kingdom
07 Jul, 2025 (Mon)
Triathlon, Aquabike
From 91 EUR
Image of Sines Triathlon
Up to 44% off

Sines Triathlon

Praia Vasco da Gama, Portugal
21 Sep, 2025 (Sun)
Triathlon
From 100 EUR

Want global inspiration and exclusive offers?

Join thousands of others and subscribe to the Ahotu newsletter!
By subscribing, you agree to Ahotu's Terms of Service and Privacy Policy.

Our partners

Partner logo
Partner logo
Partner logo
Sports

Running

Trail running

Dog run

Cycling

Gravel biking

Mountain biking

Cyclo-cross

Triathlon

Duathlon

Swimrun

Aquabike

Aquathlon

Bike & run

Adventure race

Paddle triathlon

Swimming

Kayaking

Standup paddling

Canoeing

Nordic ice skating

Ski mountaineering

Cross-country skiing

Walking

Nordic walking

Obstacle race

Orienteering

Wheelchair

Inline skating

The Company
Stay updated
Support
Help Centre

Privacy Policy

Cookie Policy

Terms of service

Follow us
FacebookInstagramTwitterStrava
Settings
Cookies

The price shown is converted as an approximate cost in your selected currency. Exchange rates may change while completing your purchase. Always check with your issuing bank for an exact exchange rate.

© Ahotu is a World's Sports Group owned service and brand. All rights reserved.

Version: 9.27.2