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STANDARDS

CCSS: 6.SP.B.4, 7.SP.B.3, MP4, MP5

TEKS: 6.12A, 6.13A, 7.12A

Off to the Races!

Meet two young sled dog racers hoping to win this year’s Jr. Iditarod

Courtesy of Mahoney Family

When Hannah Mahoney was 3 years old, her pet dog pulled her around the house in a sled made out of a laundry basket and a harness created from ribbons. When she was 8, she started training her dogs to pull her in a real sled. She watched YouTube videos to learn how to train the pups and taught them sledding commands like “whoa” (stop), “hike” (go), “gee” (turn right), and “haw” (turn left).

Today, Hannah is 17 and about to compete in one of the toughest sled dog races. On February 25, she will race in the 40th annual Jr. Iditarod. Over two days, teens ages 14 to 17 will compete in this 150-mile race in Alaska. The race is designed to teach young mushers (dog team drivers) how to travel long distances with their dogs. It’s a stepping-stone for the Iditarod Trail Sled Dog Race—the famously grueling 1,000-mile trek across Alaska. 

TOUGH TRAIL

Courtesy of McCready-Debruin Family

On the morning of February 25, the Jr. Iditarod mushers will gather at the starting line in Wasilla, Alaska. Each musher travels with a team of 8 to 10 dogs. The dogs are usually huskies that have trained for months, building strength and learning commands. 

“The start of a dogsled race is insane. The dogs are so excited, jumping, barking, and trying to get the sled moving so they can run,” says 17-year-old Logan McCready-DeBruin from the Canadian province of Ontario. Logan will compete in the Jr. Iditarod for the first time this year, but he’s been sled dog racing since he was 8. “Once the announcer starts counting down, it’s just you and your dog team,” he says. “The adrenaline runs high for both me and the dogs!”

Jim McMahon/Mapman®

The Jr. Iditarod trail stretches over part of the main Iditarod Trail (see map). Conditions are often icy, windy, and snowy. Ice can cause sleds to swerve. Mushers pay close attention to the health of their dog team. If a dog is struggling, it can be dropped off at a checkpoint to recover while the rest of the team completes the race.

Logan thinks that racing at night will be the biggest challenge. “I’m not from Alaska, so I’m not very familiar with the trail. To run in the dark with just your headlamp will take a lot of concentration,” he says. 

Halfway through the race, the teams take a 10-hour break. They camp at a rest stop, where the mushers cook dinner for themselves and their dogs. The mushers also hang out around a bonfire. Many mushers get only a couple of hours of sleep. In the morning, they race back to where they started. The team with the dog whose nose crosses the finish line first wins!

Jeff Schultz/SchultzPhoto.com

A happy sled dog jumps at the start of the race.

TRAINING FOR THE WIN

Training for the Jr. Iditarod can be just as tough as the race itself. Hannah runs and kickboxes to stay physically fit in the off-season. Since Hannah lives in Bloomfield Hills, Michigan, she flew to Alaska during her summer, Thanksgiving, and winter breaks to train with the team she’s leasing from racer Wade Marrs, who lives in Alaska and finished in fourth place in last year’s Iditarod.

Hannah trains the dogs by having them pull her in an all-terrain vehicle. She also takes them out on the Iditarod Trail. “It’s usually beautiful and quiet. It’s really amazing,” says Hannah.

Logan practices karate to stay in shape. Luckily for him, he can train his dogs at home: His family raises purebred Siberian huskies. When the temperature in Ontario started to get cold in September, he began training the dogs to pull him in the sled. He started out with 2-mile trips and increased the length each week. By Christmas, the team hit 100 miles.

“I’m looking forward to the time out on the trail, with just me and my dogs,” says Logan. “And to accomplishing a goal I’ve had for a long time—to compete in the Jr. Iditarod.”

The distribution of race times for the past five Jr. Iditarod races are shown in the box-and-whisker plots below. Use the chart to answer the questions that follow.

Which year had the fastest median race time?

Which year had the smallest variation in finishing times? 

The interquartile range is the difference between the upper and lower quartiles. Which year of the Jr. Iditarod had the largest interquartile range? 

In 2013, Alea Robinson, of Eagle River, Alaska, came in fifth place with a time of 16.77 hours. Between which two quartiles does her time fall?  

Kevin Harper of Wasilla, Alaska, won first place in 2015 and 2016. About how much faster did he finish the race in 2015 compared with 2016?

Which year of the Jr. Iditarod in the chart do you think had the toughest racing conditions? Explain your answer.

Which year do you think had the most exciting race for first place? Explain your answer. 

What do you think are the advantages and disadvantages of box-and-whisker plots? Explain your answer.

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