Iditarod teams consider options for run down the Yukon River

Brent Sass charged into Ruby, dropped a dog, grabbed supplies, and left. (Photo by Zachariah Hughes/KSKA)
Halfway to Nome, the real racing has begun as Iditarod dog teams make their way to Ruby, the first stop along the Yukon River.
Somewhere in the next 134 miles, teams must take a mandatory eight-hour layover, but gaps are starting to open up in the field.
The challenge for mushers now is how and when they will decide to make their big moves.
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