12-year-old Matt Moniz has completed on Mauna Kea hiking 50 summits in 43 days, 3 hours, 51 minutes and 9 seconds.

He set out to do 50 summits in 50 days or less. He is doing this before entering the seventh grade in his home of Boulder, Colorado this fall. He only has Mauna Kea left.

*Denver Channel 7 interview
*Twitter account
*Climb7.com
*Outside Magazine interview

Here’s an interview when he did the Colorado 14ers at age 11.

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