article 2022 Oxygen Uptake Measurements and Rate of Perceived Exertion during a Marathon Véronique Billat, Luc Poinsard, Florent Palacin, Jean Renaud Pycke, Michael Maron JournalInternational Journal of Environmental Research and Public HealthDOI10.3390/ijerph19095760Populationrecreational marathon runners View on DOI ↗