Mackey leads charge across Burn

Canadian musher Karen Ramstead drives her dog team out of the Finger Lake, Alaska, checkpoint of the Iditarod Trail Sled Dog Race Monday, March 3, 2008.

Canadian musher Karen Ramstead drives her dog team out of the Finger Lake, Alaska, checkpoint of the Iditarod Trail Sled Dog Race Monday, March 3, 2008.

2012 Musher leaderboard

Track all 62 mushers along the trail with live stats throughout the race and historical biographies.

Meet the sled dogs

Throughout Iditarod 40, we'll be profiling the real athletes of the race. Get to know the sled dogs of the Last Great Race.

2012 Reader photos

Check out the The Last Great Race from the fans' perspective as readers post photos from every checkpoint along the Iditarod trail.

2012 Trail map

Follow the mushers along the Iditarod trail's northern route, with live standings at each checkpoint.

The Sled Blog

Follow the news and notes leading up to the Iditarod and, after the race begins, live from the trail.

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More Iditarod multimedia

PHOTO GALLERY

Aerial Alaska

A river south of the Yukon Rivera in Alaska's Interior. Aerial photographs of various locations in Alaska made on a flight between Nome and Anchorage, piloted by Warren Woods of Rust's Flying Service on Wednesday, March 14, 2012.

Aerial photographs of various locations in Alaska made on a flight between Nome and Anchorage.

PHOTO GALLERY

Armchair musher

Photo by Sebastian SchnuelleThe trailmarker at Rainy Pass on the 2012 Iditarod trail.

Sebastian Schnuelle is traveling the Iditarod trail by snowmachine, sending stories and photos.

PHOTO GALLERY

Dalllas Seavey's 2012 Iditarod

Dallas Seavey puts on his parka as he leaves Unalakleet, Alaska, during the Iditarod Trail Sled Dog Race on Sunday, March 11, 2012.

Photos from Dallas Seavey's winning run in the 2012 Iditarod.

PHOTO GALLERY

Day 10

Aliy Zirkle leaves White Mountai, Alaska, in second place during the Iditarod Trail Sled Dog Race on Tuesday, March 13, 2012.

On day 10 of the 2012 Iditarod, the action will take us all the way into Nome.

PHOTO GALLERY

Day 9

Ramey Smith departs the checkpoint at Koyuk, Alaska, during the Iditarod Trail Sled Dog Race on Monday, March 12, 2012.

Day 9 of the 2012 Iditarod Trail Sled Dog Race.

PHOTO GALLERY

Iditarod Day 8

Aliy Zirkle arrives in Unalakleet, Alaska, during the Iditarod Trail Sled Dog Race on Sunday, March 10, 2012.

Photos from Day 8 of the 2012 Iditarod Trail Sled Dog Race in Unalakleet.

PHOTO GALLERY

Day 7

Day 7 of the Iditarod race.

PHOTO GALLERY

Day 6

Frost clings to John Baker as he arrives at the Ruby checkpoint of the Iditarod Trail Sled Dog Race on Friday, March 9, 2012.

Day 6 of the 2012 Iditarod Trail Sled Dog Race.