A Long Island middle school teacher is planning to do something that few people in the world have even attempted: She will run seven marathons in seven consecutive days on all seven continents.

And they're ready to take on the Triple 7 Expedition. " Triple 7 is jumping all seven continents and basically the fastest time that you can," said skydiver Mike Sarraille. "No one has ever done it.

He ran seven marathons on seven different continents in just seven days. Longtime marathon runner Frank Fumich started his adventure with a race in the frozen wasteland of Antarctica on Nov. 15 as ...