Running royalty signs up for Marine Corps Marathon’s inaugural 50K

For some, the idea of running 50 kilometers, or roughly 31 miles, at once sounds like an impossible feat. For renowned ultramarathoner Dean Karnazes, it’s exactly the kind of challenge he craves.

So now that the Marine Corps Marathon has added a 50K run to its lineup of long-distance gauntlets, Karnazes is adding his name to the list of competing athletes.

“I am thrilled and honored to be part of the inaugural MCM ultramarathon,” Karnazes said. “Going beyond the marathon is the ultimate test of human endurance and I look forward to the challenge.”

First lady Michelle Obama welcomes talk show host Kelly Ripa, second right, Dean Karnazes, right, and young runners participating in LIVE with Regis and Kelly's Run Across America with Dean Karnazes at the South Lawn of the White House in Washington, Monday May 2, 2011. (AP Photo/Manuel Balce Ceneta)
Ultra-Marathon runner Dean Karnazes runs the Little Rock, Ark., marathon course, Wednesday, Sept. 20, 2006, to raise money for youth programs. Karnazes, who in October 2005 ran 350 continuous miles in a charity run, plans to run 50 marathons in 50 days, one in each state. Little Rock is the fourth 26.2-mile run in his effort. (AP Photo/Mike Wintroath)
Ultramarathon runner Dean Karnazes, secondleft, celebrates alongside Kelly Ripa , left, his wife Julie and Regis Philbin, right, after the completion of his Run Across America, outside "Live! with Regis and Kelly" studios in New York, Tuesday, May 10, 2011. (AP Photo/Charles Sykes)
In this photo taken by AP Images for MOTOACTV, Ultramarathon Man Dean Karnazes, celebrates crossing the finish line of The ING New York City Marathon, Sunday, Nov. 6, 2011 in New York. Karnazes has been keeping track of his rigorous training regimen by using the new MOTOACTV by Motorola, available starting today. The wearable fitness performance tracker and smart music player tracks time, distance, speed, heart rate and calories burned to keep up with even the most devoted athlete. Karnazes has finished hundreds of marathons and ultramarathons across the globe. (Gary He/ AP Images for MOTOACTV)
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The MCM will be held on Oct. 27 this year. Registration for the 50K was limited to 1,700 participants and has already sold out.

According to the event’s website, those who complete the daunting task will be presented with a victory medal by a U.S. Marine.

Karnazes will be speaking about his career as an ultramarathoner at a pasta dinner held the day before the marathon, Oct. 26.

Editor’s note: This story has been updated to reflect the number of participants in the 50K race.

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