Biggest marathons in United Kingdom
0 marathons in United Kingdom ranked by finisher count.
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The United Kingdom is home to London — one of the Abbott World Marathon Majors — alongside Manchester, Edinburgh, and Brighton among the country's highest-attendance 42 km races.
Finisher counts on UK marathons reflect lottery demand and charity places as much as pure capacity. The rankings above help you see which events draw the largest fields each year.
From fast autumn PB courses to iconic spring city marathons, compare records and field sizes then set a RaceAlert on Run Atlas for your chosen date.
World Marathon Majors in United Kingdom
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