The Paris 2024 Olympics have inspired you to take up running again this year. Your shoes are all laced up, your headphones plugged in, and you’re off. 15 kilometres later, with no cramps or stitches to report, you’re home. But two days later, shooting pains in your calves make it almost impossible to climb the stairs. And yet, before you went to bed last night you were fine, so what could have happened?
