Sold out as fast as Taylor Swift 🎤 Christoph Joho, co-director of @weltklassezurich, on selling out the stadium in 45 minutes, as fast as a Taylor Swift show, with Swiss athletics on the rise, in our #StarsRide interview on the #DiamondLeague YouTube channel 📺 #ZeekrEurope #ZurichDL 🇨🇭