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

A 60-year-old woman participating in the Hardrock 100 endurance run died Friday east of Silverton, the San Juan County Sheriff’s Office announced Saturday.

Officials do not know why a 60-year-old woman died roughly six miles into the storied ultramarathon in southern Colorado ...

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

The Hardrock 100 ultramarathon is mourning the tragic loss of one of its participants. Elaine Stypula, a 60-year-old ...