Erica Fox cause of death revealed as new autopsy sheds light on triathlete's final moments

Erica Fox, a 55-year-old triathlete and experienced open-water swimmer, died after a single shark bite caused devastating injuries during a group swim in California’s Monterey Bay on December 21, 2025. A newly released autopsy found the bite shattered her pelvis, severed a major artery and left her underwater, leading to her drowning. The findings have now revealed how the tragic attack unfolded and why she could not survive.