Pablo Baron

Jul 19, 2024 | gq-magazine.co.uk | Pablo Baron |David Taylor |David Taylor

‘Jeffing’ might sound like something your mates accuse you of when you're late to the pub, but it could be the secret to improving your running endurance and shaving down that 10k PB. Created by American Olympian Jeff Galloway in the '70s, Jeffing can be practised by beginners and experienced runners alike. The principle of Jeffing is simple: link periods of running (one to two minutes) with slightly longer intervals of walking, preferably over a period of 20 minutes.