1 / 10
Justin Rose hit a hole-in-one on the par-three fourth hole.
2 / 10
Katie Ledecky set an Olympic record of eight minutes, 12.86 seconds.
3 / 10
Superstar gymnast Simone Biles won gold in the Women's Individual All Around Final.
4 / 10
Reigning men's tennis singles champion Andy Murray progressed to the quarter-finals.
5 / 10
Fiji players and staff huddle as they win gold in the men's rugby sevens.
6 / 10
Actor Matthew McConaughey attends the evening swim session.
7 / 10
Canada's Penny Oleksiak, 16, shared the women's 100m freestyle gold with Simone Manuel.
8 / 10
American Simone Manuel became the first black female swimmer to win an Olympic title.
9 / 10
Michael Phelps demolished the field in the 200m individual medley to claim his 22nd Olympic gold.
10 / 10
Grainger (R), 40, has now won five Olympic medals - four silvers and a gold - across five different Games.