( CNN ) -- Three runners died Sunday during the Detroit Free Press/Flagstar Marathon in Detroit , Michigan , police told CNN . An EMT vehicle is at the scene Sunday in Detroit after three runners collapsed at a marathon . All three deaths occurred between 9 and 9:20 a.m . ET , Second Deputy Chief John Roach said . A man in his 60s fell and hit his head , Roach said . The cause of the fall was unknown . The man was transported to Detroit Receiving Hospital , where he was pronounced dead . Two other men , ages 36 and 26 , also collapsed during the race and were pronounced dead at the hospital , Roach said . All three collapsed near the end of the race , he said . Witnesses describe scene » . The weather at the time was overcast , Roach said , with temperatures in the low 40s . CNN 's Chuck Johnston contributed to this report .
Second Deputy Chief John Roach : All three deaths occurred between 9 and 9:20 a.m. John Roach in his 60s fell hit his head ; Two men others , ages 36 and his 60s , collapsed . Race was Detroit Free Press/Flagstar Marathon in Michigan , Detroit .