She scored 14.000 for her routine in Tuesday’s last, initially putting her second behind China’s Tang Xijing on 14.233.
However, the 16-year-old Guan, the prime qualifier in the occasion and the final to carry out her routine, moved into the gold medal place with a rating of 14.633.
Biles didn’t compete in 4 particular person finals at the Tokyo Olympics — the all-around particular person competitors, the vault, the uneven bars and ground — however returned to nice applause from her USA teammates seated in a single nook of the Ariake Gymnastics Centre.
The bronze in the balance beam is her seventh Olympic medal and provides to the group last silver she received final week. The 24-year-old Biles additionally received bronze in the balance beam at the 2016 Rio Olympics.
For Guan, who lists Biles as her sporting idol, and Tang, the gold and silver medals had been their first at the Olympics.
“I by no means anticipated that I’d get a medal,” mentioned Guan. “My coach mentioned: ‘This is your first time in the Olympics and nobody is aware of you so simply go in and do your finest.’
“I truly began gymnastics a lot later than different individuals so I believe this can be a good consequence for me. Even although this competitors may be very tiring, I’m very proud of this consequence.”
But Biles was all smiles after finishing her beam routine in the last and waved enthusiastically to the crowd, a few of whom responded with a standing ovation.
“It’s been a really lengthy week, a really lengthy 5 years. I did not count on to medal at present, I simply wished to exit and do it for me, and that is what I did,” mentioned Biles.
“It undoubtedly feels extra particular, this bronze, than the balance beam bronze at Rio. I’ll cherish it for a very long time.”
Canada’s Ellie Black completed fourth with a rating of 13.866, whereas Biles’ teammate Sunisa Lee, who received all-around gold and bronze in the uneven bars final week, was fifth.
The balance beam was the last occasion in the girls’s creative gymnastics program in Tokyo.