Running races during the COVID-19 pandemic: a 2020 survey of the running community
James N Robinson, Mark Alan Fontana, Jordan D Metzl, Sameer Dixit, Stephanie A Kliethermes, Brianna Quijano, Brett Toresdahl
BMJ Open Sport & Exercise Medicine Nov 2021, 7 (4) e001192; DOI: 10.1136/bmjsem-2021-001192