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754 Athletes·5 Pursuits·5 Event Brands·4 Insights
Featured Athletes
All athletes →Michael Wardian
🇺🇸 United States
777 finisher ×3 · 2017, 2019, 2026 · Grand Slam
Pursuing
World Marathon Challenge
View Profile →Public record
Becca Pizzi
🇺🇸 United States
777 finisher ×2 · 2016, 2018 · Grand Slam
Pursuing
World Marathon Challenge
View Profile →Public record
Susannah Gill
🇬🇧 Great Britain
777 finisher · 2019
Pursuing
World Marathon Challenge
View Profile →Public record
David Gething
🇭🇰 Hong Kong
777 finisher · 2015
Pursuing
World Marathon Challenge
View Profile →Public record
Featured Insights
All insights →Training Tidbit · 1
Build the Tower Upwards
Dena Evans
May 12, 2026
Read Insight →Field Notes · Antarctic Ice Marathon
What I Wish I Knew Before the Antarctic Ice Marathon
Catherine Drysdale
May 20, 2026
Read Insight →Field Notes · 777
Three Pillars of 777
Chris Edell
June 2, 2026
Read Insight →Field Notes · Antarctic Ice Ultra
Managing Gear and Body Temperature in Antarctica
Henk Moen
June 12, 2026
Read Insight →The Events
All events →Runbuk
World Marathon Challenge
7 Marathons · 7 Continents · 7 Days
Antarctica → Africa → Oceania → Asia → Eur…
View Event →Runbuk
Antarctic Ice Marathon
The World's Southernmost Marathon
Union Glacier region, Antarctica (≈80°S)
View Event →Runbuk
Antarctic Ice Ultra
The Ultimate Polar Ultra
Schirmacher Oasis, Queen Maud Land, East A…
View Event →Runbuk
North Pole Marathon
The World's Coolest Marathon
Geographic North Pole (90°N)
View Event →Runbuk
Volcano Marathon
Run the remotest island on Earth
Easter Island (Rapa Nui), Chile
View Event →Your record is waiting
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