Let me set the scene — I’m on the train in Berlin, heading to the start line of my third marathon, absolutely terrified. I’d set myself the goal of running sub-four hours, and I’d been training for months to make it happen.

Sitting next to me, a German woman chats, trying to ease my worries. “I’m going to be Jeffing,” she tells me.

It wasn’t till I was back home, marathon medal still on, having achieved my goal, that I thought back to this conversation. What on earth is Jeffing, and why hadn’t I heard of it before?

Six years and two marathons later, I tried it for the first time, and I’m hooked. Read on to find out more.

What is Jeffing?

Jeffing is a run, walk technique developed by US Olympian Jeff Galloway. In simple terms, you run for a bit, then you walk, allowing you to keep goin

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