We do not know when she was born but she was burned to death about the year 300 at Amisus, Paphlagonia (modern Samsun, Turkey). She was a martyr for her faith and a saint but is not listed as a patron saint.
Saint Alexandra of Amisus is a saint but not a patron saint unless you happened to be named for her.
No, Alexandra is not a patron saint.
There is no patron saint of golf. St. Sebastian is the patron saint of athletics. Another opinion: The patron saint of golfers is St. Andrew.
No, there is no patron saint of billiards.
He is the patron saint of charcoal burners.
Saint Kiara is a saint but she is not the patron of anything at this time sorry
St. Lucia Filippini is a saint but not a patron saint at this time.
The closest I can find is St Bernard of Menthon who is the patron saint of mountaineers.
David of Wales is the patron saint of doves.
The patron saint of all sports is St. Sebastian.
I don't know if runners have their own saint, but St. Sebastian is the Patron Saint of Athletes.
St. Isidore of Seville is the patron saint of the Internet.