Littleton man completes Explorer's Grand Slam after climbing to the North Pole in April

LITTLETON, Colo -- Sean Swarner just completed the Explorer's Grand Slam, meaning he's climbed the North and South pole and all seven summits.

He's the only cancer survivor to summit Mount Everest. Right now, it’s something only 56 people in the world have completed.

It took about 70 miles and over a week to get to the North Pole.

Denver7 Sports Anchor Alison Mastrangelo caught up with Sean to learn more about how he wants to use his journey to motivate and inspire others to get out of their comfort zones. Watch the story in the player above. 


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