777^™

World Marathon Challenge^®

Join the 2027 Challenge

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7 Marathons

Competitors must run seven 42.2 km (standard distance) marathons.

7 Days

Competitors must complete all marathon within 7 days or 168 hours.

7 Continents

Antarctica, Africa, Australia, Asia, Europe, South and North America.

Turning dreams into reality since 2015

Welcome to the 777^™
World Marathon Challenge.

The 777 Challenge is an amazing logistical and physical challenge to run 7 marathons on 7 continents in 7 consecutive days, or 168 hours.

Discover the event

locations

Ultima

Antarctica

Cape Town

Africa

Perth

Australia

Dubai

Asia

Madrid

Europe

FORTALEZA

South america

miami

North america

Inspiration

Fastest Avg. (Men):
Michael Wardian, 2h 45m 57s

Fastest Avg. (Women):
Estefania Ripoll, 3h 18m 30s

Shortest Duration (Women):
Tomomi Bitoh, 5d 19h 7m

First Blind Athlete:
Sinead Kane

Oldest Women:
Lisa and Molly, 68 years old

Oldest Man:
Dan Little, 80 years old

First Men's Handcycle:
Darren Edwards

Cheers to All Finishers Since 2015!

The Intercontinental Marathon Club®

As of February 6, 2025, the Club includes 244 members - 175 men and 69 women - who have completed seven marathons in the World Marathon Challenge^®.

View the Wall of Legends

An Unforgettable Journey

We capture the transformative stories of participants in the 777 World Marathon Challenge, not only as personal mementos, but more importantly to show that no human is limited.

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777 World Marathon Challenge

Your potential has no limits.

We’re here to take you beyond what you thought was possible.

Join the 2027 Challenge

Who we are

‍

Runbuk has been delivering world class running events in the most challenging and remote locations on the planet.
‍
Contact Our Team: info@runbuk.com

about Runbuk

Antarctic Ice
Marathon^®

Dec

2025

Strait of Magellan Marathon^®

Dec

2025