High school teacher dies during trail race in northern Minnesota

He collapsed during the Superior Spring Trail Race, which is described as "extremely hilly" and "rugged."

A teacher at Eagan High School died over the weekend while running a race in northeastern Minnesota.

Jon Mathson, 41, was running the Superior Spring Trail Race Saturday morning when he collapsed on the trail between Moose Mountain and Mystery Mountain, the Cook County Sheriff's Office says.

Runners rushed to help Mathson and first responders performed CPR, but he was pronounced dead at the scene. A cause of death hasn't been released.

Mathson, who's a three-time finisher of the Superior Spring Trail Race, was running the 25-kilometer trail race (that's about 15 miles). It's described as an "extremely hilly" and "rugged" race. He was 3-4 miles from the finish line when he collapsed, the sheriff's office told GoMN.

Supporters come together to help Mathson's family

Mathson loved bicycling, birding, nature, teaching, beer and the North Shore, a GoFundMe page set up for his wife and 2-year-old son says. Mathson, who taught earth science and chemistry at Eagan High School, was "revered by his students and coworkers alike," a tribune to him on the race's website notes.

The GoFundMe page hopes to help Mathson's family with any upcoming costs they may encounter. The page, which launched Sunday, had already raised $29,665 of its $35,000 goal by Monday afternoon.

Those who knew Mathson are sharing their memories on Twitter. One person tweeted Mathson made class fun and was "always down to talk cycling, trail running and hiking."

Those from the running community are also sharing their condolences on Facebook.

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