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Theo Kahler

News Editor

Theo Kahler is the news editor for Runner’s World. He is a former all-conference collegiate runner who’s based in Easton, PA. Previously, he worked as the newsletters editor at Runner's World, Bicycling, and Popular Mechanics.

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The race received the second most applications in history

Plus, it was his 8-year-old daughter’s first-ever 5K.

Apr 22, 2024
tcs london marathon 2024

Results and Highlights From the 2024 London Marathon

Over 50,000 runners registered for the race around the U.K. capital.

Jan 5, 2024
a man running in a race

Instagram Icon Davis Clarke Ran 2:56 at the Boston Marathon—and of Course He Was Locked In

He had stomach issues on Heartbreak Hill, but the social media star says he didn’t let that slow him down.

Apr 17, 2024
bank of america boston marathon press conference and elite availability

Emma Bates Returns to Boston Marathon After Injury: “I’m Much Fitter Than I Thought I Would Be”

She missed February’s Olympic Marathon Trials due to injury, but the 2023 fifth-place Boston finisher believes she’s stronger than ever ahead of Monday’s marathon.

Apr 13, 2024
Parker Valby Obliterates Collegiate Record in 5,000 Meters
Parker Valby Obliterates Collegiate Record in 5,000 Meters
Parker Valby Obliterates Collegiate Record in 5,000 Meters
Parker Valby Obliterates Collegiate Record in 5,000 Meters