Someone buy Tim Durbin a beer.
Earlier today he completed his mission to run seven marathons on seven continents in seven days. (Whew! We're tired just looking at that sentence.) To break it down for you, that's 183.4 total miles, which would take the average male runner about 311,780 steps to complete.
Durbin was one of 12 around the world to participate in the World Marathon Challenge, and the only American in the group. His fellow runners included Marianna Zaikova, a Finnish woman who became the first female to complete the feat.
The journey began a week ago in Union Glacier, Antarctica, where Durbin ran the 26.2 mile course in four hours and 36 minutes, a personal record. From there he ran races in Chile, the United States, Spain, Morocco, the United Arab Emirates and Australia.
Many of the races were less than 24 hours apart, and the price tag for the adventure? $40,000. Durbin has also been working toward raising $77,777 along the way for the V Foundation for Cancer Research.

"The spirit to take on challenges that others view as unthinkable or 'crazy' is one of the greatest things I have learned since moving to the Bay Area over 6 years ago," Durbin, 31, wrote on his blog earlier this month.