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Brittany Kapa, Assistant Editor
8:12 am CDT April 20, 2017

Matt and Julie Knippen never thought their professional worlds would combine, but the tech-minded brother and kinesiology-major sister have teamed up to launch a new fitness app for iPhone users. 

“Running alone sucks,” Julie said. “That’s our basic idea.”

That idea also happens to be the motto behind the sibling’s new app, CHARGE Running. The app launched April 3 via the Apple store.