Olympic ski cross medalist Audun Groenvold has died after being struck by lightning, the Norwegian ski federation announced Wednesday. He was 49.

Simon John Mariani, 28, was playing at the Ballyowen Golf Course in Hamburg on July 8 when he was struck by a bolt of lightning at the 15th hole, officials said. Mariani "unexpectedly" died on Monday, according to an obituary the family released on the website of the funeral home handling arrangements.

Audun Groenvold, a Norwegian skier and Olympic medalist, died this week after he was struck by lightning, the Norwegian Ski Federation announced in a statement on Wednesday.

Severe thunderstorm leads to tragedy as 18-year-old Joey Nelson Jr. and 19-year-old Randall Martin III were fatally struck by lightning following a fishing trip in Waycross, Georgia.

Simon Mariani died July 14, his obituary says. He was described as "driven, dedicated, smart, likeable and exceptionally talented."

One day after Robert Montgomery was killed by a lightning strike in New Jersey, his sister explained how he was a helper who loved archery.

A 28-year-old New Jersey man died from injuries sustained after being struck by lightning on a golf course. Simon Mariani was golfing at Ballyowen Golf Club when he was struck by lightning on July 8 and died on July 15. Mariani was a finance associate and Notre Dame graduate with a passion for various hobbies.

Crews responded to a tree that was struck by lightning on Kolob canyon at Zion National Park on Thursday, June 17, according to Hurricane Valley Fire and Rescue.