Marathon at the 1908 London Games American runner Alton Welton competing in the marathon at the 1908 Olympic Games in London. Welton finished fourth. (more) Why Is a Marathon 26.2 Miles? Ask the Chatbot a Question More Actions Share Share Share to social media Facebook X URL https://www.britannica.com/sports/Why-Is-a-Marathon-26-2-Miles Feedback Corrections? Updates? Omissions? Let us know if you have suggestions to improve this article (requires login). Feedback Type Select a type (Required) Factual Correction Spelling/Grammar Correction Link Correction Additional Information Other Your Feedback Submit Feedback Thank you for your feedback Our editors will review what you’ve submitted and determine whether to revise the article.

　　External Websites Ask the Chatbot a Question Written and fact-checked by The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors. The Editors of Encyclopaedia Britannica Last Updated: Mar 12, 2025 • Article History Table of Contents Table of Contents Ask the Chatbot The marathon’s origin traces back to ancient Greece, where a legendary Greek soldier ran from Marathon to Athens, covering about 25 miles (40 km), to announce a military victory. This heroic run inspired the marathon race, which was first introduced in the modern Olympic Games in 1896. Initially, the marathon distance was approximately 25 miles, reflecting the length of the ancient run. The specific distance of 26.2 miles was established at the 1908 London Olympics. The British Olympic Committee decided to start the marathon at Windsor Castle and finish it in front of the royal box at the Olympic stadium, ...(100 of 175 words)

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