When they tied the knot in December 2015, they promised to love, honour and cherish each other, forever.
And so far, they've managed to do that.
Six years later, Caster Semenya and her wife Violet Raseboya are still going strong in their marriage.
The couple celebrated each other on social media.
Read more | PICS | Caster Semenya and wife Violet are expecting another baby
"Being in a relationship with you for 13 years gives me a peaceful existence. Your [love] is the strength that drove me to everything for this family," Violet wrote to her wife.
"You are the armour that shields me from tears. Happy 6 years anniversary to us. I love you so much."
Caster who recently celebrated her birthday, also wrote a heartfelt message to her wife.
"Six years in the making, I wish us more to come. Aaah ngwana as mpha ke ya tjeya shitah."
The couple is blessed with two kids.