The Marathon Eryri is a renowned marathon race held annually in Snowdonia National Park, North Wales. This challenging marathon takes runners through some of the most breathtaking and rugged landscapes in the UK, including steep mountain paths, scenic lakes, and picturesque villages. The course offers stunning views of Snowdonia’s famous peaks, including Mount Snowdon, and is known for its tough terrain, making it a favorite for experienced runners and those seeking a unique challenge. The Marathon Eryri attracts participants from all over the world, drawn not only by the physical challenge but also by the beauty and tranquility of the area. With its scenic route, tough climbs, and vibrant local atmosphere, the Marathon Eryri is a truly unforgettable race.
Race
Marathon
Race Date:
25 October, 2025
The Eryri Marathon, one of the most scenic and challenging road marathons in the UK, takes runners on a spectacular 26.2-mile journey around Snowdon (Yr Wyddfa). With 838 meters of elevation gain, this October 25, 2025, race demands strength and endurance while rewarding participants with breathtaking views of the Welsh mountains.
Weather based on historical averages.
FAQs
What is the Eryri Marathon?
How long is the Eryri Marathon?
Where does the Eryri Marathon take place?
What is the elevation gain of the Eryri Marathon?
How can I prepare for the Eryri Marathon?
How do I choose the right training plan for the Eryri Marathon?
The Eryri Marathon, one of the most scenic and challenging road marathons in the UK, takes runners on a spectacular 26.2-mile journey around Snowdon (Yr Wyddfa). With 838 meters of elevation gain, this October 25, 2025, race demands strength and endurance while rewarding participants with breathtaking views of the Welsh mountains.
The Eryri Marathon is 42km long.
The Eryri Marathon takes place in Caernarfon, Wales, UK.
The Eryri Marathon elevation gain is 838 metres, which Runna classifies as a Moderate race.
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
What is the Eryri Marathon?
The Eryri Marathon, one of the most scenic and challenging road marathons in the UK, takes runners on a spectacular 26.2-mile journey around Snowdon (Yr Wyddfa). With 838 meters of elevation gain, this October 25, 2025, race demands strength and endurance while rewarding participants with breathtaking views of the Welsh mountains.
How long is the Eryri Marathon?
The Eryri Marathon is 42km long.
Where does the Eryri Marathon take place?
The Eryri Marathon takes place in Caernarfon, Wales, UK.
What is the elevation gain of the Eryri Marathon?
The Eryri Marathon elevation gain is 838 metres, which Runna classifies as a Moderate race.
How can I prepare for the Eryri Marathon?
The best way to train for the next race is to use a personalised training plan that takes into account your current running ability, schedule, and preferences.
This will help you steadily improve your running performance and get ready for the race without risking an injury.
Check out our training plans to find the best running program for your goals!
How do I choose the right training plan for the Eryri Marathon?
Which plan you choose will depend on your experience, schedule, objectives, and the date of the race.
Runna offers personalised training plans for every runner and every goal: Whether this is your first, 10th or 100th race, we'll help you get the most out of your training and smash your goals.
Check out our training plans to find the best running program for your goals!
More
Sport:
Running
Tags:
Nature
This event listing is for informational purposes only. Runna is not affiliated with, endorsed by, or sponsored by Marathon Eryri or Local Welsh Communities. All event details are based on publicly available information and are provided solely to help users discover running events. Runna does not use any official logos, images, or proprietary content from this event or its organiser. Any trademarks or names mentioned are used descriptively to identify the event in a factual manner. For the most accurate and up to date information (including to register or purchase an entry to the event), please visit the Marathon Eryri website.
