‍World Marathon Challenge®

‍7 Marathons 7 Continents 7 Days®

7 Marathons 7 Continents 7 Consecutive Days®

777™

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Runbuk organizes the world's most extreme endurance events - from the southernmost marathon in Antarctica to the northernmost at the North Pole - and was the first to deliver live results from both ends of the Earth.

Questions about entry, logistics, or press? We'd love to hear from you.

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Registration & General Enquiries:

info@runbuk.com

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Established 2015

The Authentic 777^™

Your potential has no limits

Registration now open
10^th Edition: Jan. 30 – Feb. 5, 2027
11^th Edition: Jan. 29 - Feb. 4, 2028

Next Event:

Jan. 30 to Feb. 5, 2027

Run the World in 7 Days with Runbuk!
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World Marathon Challenge®

The World Marathon Challenge® is a logistical and physical challenge to run seven marathons on seven continents in seven days. Competitors must run the standard 42.2 km marathon distance in Antarctica, Africa, Australia, Asia, Europe, South America and North America within 168 hours, or 7 days. The clock starts when the first marathon begins in Antarctica.

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The Organizers

World Marathon Challenge®