The ‘run until’ TikTok challenge is where you set out a series of things to spot – for example, a person, a place, an object or an animal – before you head out for your run, and then ‘run until’ you see those items. It can be as specific or as general as you want (obviously the more specific you are, the harder the game is – and if you live in the middle of nowhere, spotting someone wearing a pair of Nike Alphafly’s is unlikely). It’s essentially ‘I spy’ for runners.... Hit the link in bio to re