"We say that every team is the gorilla. We kind of ran those thoughts back through our head that the gorilla wasn't dead yet," Peterson said. "We knew that they were going to make a run, but if we play our game, we're unstoppable."
South Summit will play defending 2A state champion Delta in a semifinal Saturday at Utah Valley University. Delta, after dropping the first set of its quarterfinal match against Rowland Hall, eventually moved on with a 20-25, 25-12, 25-15, 25-23 win.
As for the South Summit-San Juan matchup, it was a contest between the fourth- and fifth-ranked teams in the state — with San Juan at No. 4.
But South Summit's six-footers on the front line, middle hitter Samantha Rogers and opposite Elise Bush, gave the Broncos problems. Rogers finished with 14 kills while Bush had 10, while San Juan was led by Jordyn Moon's eight kills.
After the match, it's fair to say that South Summit coach Dallas Gines was just as excited as her players.
"This is my first year as a head coach, and they are doing phenomenal," Gines said. "They battled, they showed me they have a lot of heart. We compete every day and it shows.
"They wanted it, and now we're here," she added.
The other semifinal Saturday will be a repeat of a semifinal from a year ago when Enterprise beat North Summit.
North Summit, top-ranked in 2A, disposed of North Sevier 25-21, 25-12, 25-19 in a quarterfinal match, while Enterprise was beating Emery 25-11, 25-13, 25-18 on the next court over at the UCCU Center.
The second-ranked Wolves got 14 kills from outside hitter Jaslyn Gardner in their victory over the Spartans.
"We lost three seniors (from the 2015 team), but we're about the same — maybe even a little better," said Gardner, a 5-foot-4 junior with explosive jumping ability. "We have a chance to win it this year if we work hard. Instead of worrying about our mistakes, we just made plays."