A 60-year-old Michigan woman died Friday morning during a 100-mile ultramarathon through rugged Colorado mountain terrain, San Juan County officials said.

Officials say a 60-year-old woman was found approximately six miles into the race. Her cause of death is unknown.

Tragedy struck the Hardrock 100 Ultramarathon this morning when an elite runner died just approximately six miles from the race’s starting line. Elaine Stypula ...

Elaine Stypula, 60, from Michigan died during the Hardrock Hundred Endurance Run in Colorado, San Juan County Office of Emergency Management confirmed.

Elaine Stypula, 60, was a veteran of multiple ultramarathons around the world, races longer than a 26.2-mile marathon, often ...

One friend of Elaine Stypula -- the runner who died during the Hardrock 100 race in Silverton -- said she was "very generous" ...

A woman died today during one of the most difficult ultramarathons in the United States. Elaine Stypula, 60, passed away near ...

Elaine Stypula, 60, fell just three hours into the Hardrock Hundred Mile Endurance Run in Silverton, officials said.

A 60-year-old Michigan woman died Friday four hours into the Hardrock 100, a 100-mile run through the San Juan Mountains.

Elaine Stypula, a 60-year-old woman from Michigan, died during the Hardrock 100 ultramarathon in Colorado. Rescue teams ...

The Hardrock 100 ultramarathon is mourning the tragic loss of one of its participants. Elaine Stypula, a 60-year-old ultrarunner from Detroit, was found dead on the course Friday morning, ...

A 60-year-old Michigan woman died Friday morning while participating in a grueling 100-plus-mile endurance run in the mountains of southern Colorado, officials said.