Sirviö, 13, who claimed his place in Paris, scored 82.68 points in the final. Australian Arisa Trew, who broke records, won.
Heili Sirviö finished seventh in the finals of the Olympic skateboarding qualifying competition in Budapest.
The 13-year-old Finnish promise already redeemed his place at the Olympics. In Paris, Sirviö becomes Finland’s youngest ever Olympic athlete.
Sirviö advanced from the semi-final to the final with 83 points. The best score of the final was 82.68.
In the final of the qualifying competition, Australia, who is training with Sirviö, skated to first place Arisa Trew with a score of 93.38.
14-year-old Trew has done 720- and 900-degree stunts on a curved vert ramp within a year, becoming the first woman to do it.