On a cloudy, late summer morning, there’s a ray of hope in Newton.

Shu Li helped organize this year’s Lingzi Dream Dash 5K, the event honoring Lingzi Lu, a graduate student at Boston University who lost her life in the attack at the 2013 Boston Marathon.

That day inspired Li to start running marathons.

“I just want to try a marathon once in my life, that was my original thought,” said Li, who will be running her eighth marathon in October.

Li has been training all summer for the Boston Marathon, which will be held on Oct. 11. She will be running with Team Lingzi.

“Keep her memory alive, to honor all of the people’s sacrifice on that day,” said Helen Zhao, Lingzi’s aunt.

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