2025 Marathons

United Kingdom 2025 Marathons

Your complete United Kingdom 2025 marathon calendar. Find every marathon happening in United Kingdom in 2025 with comprehensive race details, registration information, and official results, including the ABP Southampton Marathon (Southampton), Brighton Marathon (Brighton), and Newport Wales Marathon (Newport).

Each marathon listing includes a 2025 marathon guide including dates, locations, course details, weather conditions, and relevant links for registration and more information. We maintain the most current results database, publishing official results on race day, plus complete 2024 results for year-to-year comparison.

Shakespeare Marathon

Stratford-upon-Avon, United Kingdom

April 27, 2025

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The Shakespeare Marathon in Stratford-upon-Avon offers a captivating course that meanders through historic landmarks and the picturesque Warwickshire countryside, with highlights like the serene River Avon and Holy Trinity Church. This race, organized with precision by RunThrough and the Stratford Rotary Club, provides runners with a well-supported, flat, and fast marathon experience, perfect for achieving personal bests while enjoying the charm of Shakespearean England.

Langdale Marathon

Great Langdale, United Kingdom

May 4, 2025

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The Langdale Marathon, set against the stunning backdrop of the Lake District, is renowned for its grueling two-lap course featuring steep climbs with gradients up to 1:3 and an elevation gain of 3,418 feet. This challenging event, beginning and ending at the New Dungeon Ghyll Hotel, tests runners' endurance and preparation, with its high DNF rate highlighting the formidable nature of this race through the breathtaking Great and Little Langdale valleys.

Belfast City Marathon

Belfast, United Kingdom

May 4, 2025

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The Belfast City Marathon takes runners on a captivating journey through the heart of the city, beginning at Stormont Estate and winding through all four corners of Belfast, highlighted by lush parks, iconic landmarks, and the historic Titanic Quarter. This AIMS-certified race not only challenges runners with its varied terrains and climbs but also envelops them in the vibrant local spirit, with enthusiastic crowds and a commitment to community and charity, making it a must-experience event on the UK and Ireland marathon calendar.

Milton Keynes Marathon

Milton Keynes, United Kingdom

May 5, 2025

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The Milton Keynes Marathon takes runners through a scenic blend of urban and natural landscapes, featuring smooth tarmac roads, picturesque lakes, and a unique finish around a football pitch that adds a touch of challenge. Known for its vibrant 'Superhero' theme, the race creates a festive atmosphere with enthusiastic crowds and excellent organization, making it a memorable experience for both participants and spectators.

Edinburgh Marathon

Edinburgh, United Kingdom

May 25, 2025

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The Edinburgh Marathon offers a lightning-fast, flat course that descends nearly 90 meters, taking runners from the historic city center past iconic landmarks like Edinburgh Castle and along the picturesque Portobello Promenade. As part of the vibrant Edinburgh Marathon Festival, it attracts thousands with its blend of cultural charm and stunning coastal views, providing an ideal setting for personal bests or a memorable marathon experience.

Giants Head Marathon

Sydling St. Nicholas, United Kingdom

June 21, 2025

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The Giants Head Marathon challenges runners with its hilly course that winds through the picturesque Sydling and Cerne valleys, offering breathtaking views of the iconic Cerne Giant. Set in the charming village of Sydling St. Nicholas, this marathon combines a demanding terrain with a lively community atmosphere, including local festivities and diverse race options, making it a memorable experience steeped in the beauty of rural Dorset.

XTERRA Snowdonia Trail Marathon

Llanberis, United Kingdom

July 12, 2025

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The XTERRA Snowdonia Trail Marathon Eryri challenges runners with a 27-mile course featuring a 1,685-meter elevation gain through the breathtaking landscapes of Eryri National Park, culminating in an ascent of Yr Wyddfa (Snowdon), Wales' highest peak. As part of the XTERRA Trail Run World Series and a UTMB-indexed event, it offers an unforgettable experience with panoramic views and a vibrant event village, making it a must for trail running enthusiasts.

Great Barrow Challenge

Bury Saint Edmunds, United Kingdom

July 24, 2025

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The Great Barrow Challenge offers a unique 10-day running adventure through the picturesque Suffolk countryside, with each day featuring a fresh marathon route that varies in terrain and elevation. This event, based at the Suffolk Running Centre in Bury St Edmunds, provides runners with flexible distance options and comprehensive support, creating an inclusive and community-driven atmosphere perfect for both seasoned athletes and newcomers.

New Forest Marathon

Brockenhurst, United Kingdom

September 14, 2025

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The New Forest Marathon takes runners on a diverse and scenic journey through New Forest National Park, featuring a mix of gravel paths, woodland trails, and tarmac, with the enchanting backdrop of roaming ponies. This event is more than just a race—it's a vibrant weekend celebration complete with live music, family-friendly activities, and a commitment to local charity, set in one of the UK's most picturesque landscapes.

Baxters Loch Ness Marathon

Inverness, United Kingdom

September 28, 2025

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The Baxters Loch Ness Marathon takes runners on a stunning 26.2-mile journey through the Scottish Highlands, beginning near Fort Augustus and ending in Inverness, with breathtaking views along the south-eastern shores of the iconic Loch Ness. This race is not just a test of endurance through diverse terrain but a celebration of Scottish culture, complete with the lively Baxters Loch Ness Marathon & Festival of Running, featuring additional races, live music, and local festivities.

Chester Marathon

Chester, United Kingdom

October 5, 2025

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The Chester Marathon takes runners on a scenic 26.2-mile journey through both England and Wales, featuring a predominantly flat course with iconic landmarks like the Roman Walls and Eastgate Clock, and charming countryside vistas. Known for its fast times and over 70% of participants achieving personal bests, this race combines enthusiastic local support with a unique blend of urban and rural landscapes, offering a rewarding challenge for marathoners of all levels.

Standard Chartered Jersey Marathon

St Helier, United Kingdom

October 5, 2025

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The Standard Chartered Jersey Marathon takes runners on a scenic journey through Jersey's diverse landscapes, featuring quiet Green Lanes, coastal paths, and the challenging climb through Waterworks Valley. This race is celebrated for its vibrant community atmosphere, with local support energizing participants as they navigate the island's picturesque route and cross the finish line in St. Helier.

Clarendon Marathon

Winchester, United Kingdom

October 5, 2025

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The Clarendon Marathon takes runners on a captivating journey through England’s countryside, following the historic Clarendon Way from Salisbury to Winchester, with over 90% of the course on scenic off-road tracks. This race offers a truly immersive experience, blending picturesque landscapes, challenging terrain, and a rich historical backdrop, making it an appealing adventure for both novice and seasoned athletes.

Isle of Wight Marathon

Cowes, United Kingdom

October 5, 2025

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The Isle of Wight Marathon takes runners on a scenic 26.2-mile journey through the island's picturesque west side, featuring a mix of flat stretches and challenging hills with an elevation gain of 1,149 feet. As one of the UK's longest-standing marathons since 1957, it offers a blend of town, rural, and coastal scenery, allowing participants to immerse themselves in both the race's rich history and the island's natural beauty.

Eden Project Marathon

St Austell, United Kingdom

October 19, 2025

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The Eden Project Marathon takes runners on a challenging multi-terrain adventure through Cornwall's stunning landscapes, including the dramatic 'Cornish Alps' and historic Luxulyan Granite Works. This race is a unique blend of natural beauty and ecological commitment, offering participants not only a test of endurance but also the chance to support environmental projects while enjoying Cornwall's warm hospitality with a traditional pasty and beer at the finish line.

Yorkshire Marathon

York, United Kingdom

October 19, 2025

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The Yorkshire Marathon takes runners on a captivating journey through the historic city of York, showcasing landmarks like the York Minster and ancient city walls against a backdrop of picturesque countryside. With a predominantly flat course and a vibrant atmosphere fueled by enthusiastic local support, this event offers both an opportunity for personal bests and a memorable experience steeped in British heritage.

Beachy Head Marathon

Eastbourne, United Kingdom

October 25, 2025

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The Beachy Head Marathon challenges runners with its rugged, scenic course through the South Downs National Park, featuring 1,318 meters of elevation gain, 300 steps, and 14 gates. This race offers an unforgettable experience with breathtaking views of the English Channel and iconic landmarks like the Seven Sisters cliffs, making it a favorite for those seeking both physical and mental endurance in the heart of Sussex's natural beauty.