#smallsamplesize #running #ultrarunning #health
“the research team examined blood samples from 23 #runners competing in either the Martigny-Combes à Chamonix race (25 miles) or the Ultra Trail de Mont Blanc #UTMB race (106 miles)”
“At some point between #marathon and #ultramarathon distances, the damage really starts to take hold … We’ve observed this damage happening, but we don’t know how long it takes for the body to repair that damage” https://www.discovermagazine.com/ultramarathon-running-could-rapidly-age-and-breakdown-red-blood-cells-48712









