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This Sunday the streets of Phoenix will be packed with spectators cheering on the runners participating in the P.F. Chang's Rock 'n' Roll Arizona Marathon and Half Marathon.

But that's not the only event drawing a big crowd.

Some Valley kids are also putting on their running shoes this weekend to run the same path as the adults, but kids-style of course.

"We're going to get first place," said second-grader Shelby Bigbee.

"So you can stay healthy," said second-grader Sara Bailey.

"So you can do things the right way and you won't be excluded if you didn't eat right," said second-grader Madeline Prowda.

"We're kind of doing it to help people with disabilities," said second-grader Sydney Silverman.

These-second graders at Cochise Elementary School in Scottsdale are getting ready for the Phoenix Children's Hospital Kids Rock race, a one-mile fun run for kids 6 to 12 years old.

It will take place at the P.F. Chang's Rock 'n' Roll Arizona Marathon and Half Marathon this Sunday.

"I think it's really cool because it's like an opportunity for us and we get these new cool shoes to run in," said second-grader Megan Patzer.

Megan and her friends from Cochise each got a free pair of Nike shoes thanks to a nonprofit organization called Chances for Children of Arizona.

"We are really around to promote recreation for kids, really rally around childhhood obesity," said Janel Bolen, executive director for Chances for Children.

The organization is one of the primary sponsors of the Kids Rock Star running program.

"Making sure that we pay for their entry fees, we get their transportation to the race and the big one we do in conjunction with Scottsdale Running Company is we provide Nike running shoes for all the kids," Bolen said.

"We have always loved seeing people get involved with a fitness lifestyle, running, walking anything like that, and here to see it start at such an early age as kids," said Lance Muzslay, Scottsdale Running Company owner.

There are a total of 10 schools involved in the program.

Not only do they get free shoes and their entries paid for into the fun run, they're also given a training program to help them log 25 miles, one mile short of an actual marathon.

"They run the last 1.2 miles of the actual marathon course, so they cross the same finish line that all the marathoners cross," Bolen said.

The Cochise students, who are calling their team Sydney's Rock Stars, are also doing the one-mile fun run in memory of a former classmate.

"We're going to try and run this race for the memory of Sydney Hudson," Shelby said.

Sydney, who is also Bolen's niece, passed away last year on her 10th birthday.

She was the first special-needs child in a wheelchair to do the one-mile race.

Bolen said it's important to show that every child deserves the chance to cross the finish line.

The one-mile fun race starts at 8 a.m.