Jacob Puzey Runs a World Record for 50 Miles on a Treadmill

Jacob Puzey averaged sub-6-minute mile pace for 50 miles en route to a new world record on a treadmill. Photo: Brian Metzler

Altra Elite athlete Jacob Puzey ran an average pace of 5:56 per mile to set the new world record for the fastest 50-mile run on a treadmill at The Running Event trade show on Dec. 1 in Orlando, Fla. Puzey finished 50 miles in 4:57:45, shattering the previous record of 5:57:31 by nearly an hour. His en route marathon split time was 2:38.

Fans from all over trade show packed the Altra booth the cheer on Puzey to the new world record. Puzey is an experienced ultrarunner who ran the entire 50 miles in the Altra Paradigm road shoe on a ProForm Boston Marathon Treadmill. Puzey stayed hydrated with soft drinks and electrolytes and fueled with potato chips, stopping for a bathroom break only once.

Puzey’s wife Amy, along with their 6-month old daughter Ashima, gave him motivational Post-It notes on the treadmill console during his run, with messages like “Nothing is impossible!” and “Arise from the dust and be men!” and “Be strong, be grateful, have courage!”

“I felt surprisingly great,” says Puzey, who owns a 2:22 marathon PR. “I didn’t have super high expectations, I just wanted to see if I could run the previous record’s pace. I happened to feel really good today and going at a 5:56 pace felt great. I put one foot in front of the other on the treadmill and just kept going.”

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