Mountaineer Tyler Armstrong is a bit closer to reaching his goal of raising $1 million to find a cure for Duchenne muscular dystrophy, a fatal genetic disorder that causes progressive muscle degeneration and weakness and affects one in 3,500 boys.

Yorba Linda’s 11-year-old Tyler has set out to be the youngest person to trek the seven summits – the tallest mountain on each continent – and to raise awareness and funding toward finding a cure for Duchenne.

Related: 11-year-old Tyler Armstrong preparing to conquer Mount Everest, the world’s tallest mountain

Tyler has already climbed three of the summits: Mount Kilimanjaro, Mount Aconcagua and Mount Elbrus. He is training to start his climbing of Mount Everest in April.

On Sunday, Tyler hosted a special screening at a Tustin theater of the movie “Everest,” which tells the story of a blizzard that overtook the mountain and left eight climbers dead. The event raised about $5,300 toward Climb to Cure Duchenne.

So far, he has raised about $40,000. Several years ago, Tyler met a boy with the disorder.

“Tyler is an amazing little catalyst that has taken us to a whole new level awareness-wise,” said Drew Hoyer, vice president of development for Cure Duchenne. “He is an inspiration to us.”

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