The 2018 Brazilian Junior Championships were held from November 14 through November 18 in Porto Alegre, Brazil.
All-Around Results (Age 13-15)
| Rank | Athlete | Club | VT | UB | BB | FX | AA |
| 1 | Ana Luiza Lima | CEGIN | 13.300 | 11.400 | 12.400 | 13.700 | 50.800 |
| 2 | Christal Bezerra | ADECO | 13.600 | 12.600 | 11.950 | 12.450 | 50.600 |
| 3 | Julia Soares | CEGIN | 13.250 | 10.600 | 13.150 | 12.950 | 49.950 |
| 4 | Bianca Tavares | Fluminense | 12.750 | 11.750 | 11.450 | 11.350 | 47.300 |
| 5 | Rafaela Oliva | Gremio Nautico | 12.750 | 10.000 | 12.100 | 12.150 | 47.000 |
| 6 | Ana Luiza Araujo | Sao Bernardo | 12.650 | 10.100 | 11.150 | 11.300 | 45.200 |
| 7 | Julia Pereira | Sao Bernardo | 13.450 | 8.650 | 10.650 | 12.300 | 45.050 |
| 8 | Natalia Jesus | Fluminense | 12.800 | 9.500 | 10.400 | 11.600 | 44.300 |
| 9 | Camila Almeida | Minas Tenis | 12.200 | 10.220 | 9.850 | 11.700 | 43.970 |
| 10 | Marcela Meireles | Fluminense | 12.600 | 9.450 | 11.500 | 10.400 | 43.950 |
| 11 | Maria Eduarda Tavares | Gremio Nautico | 12.350 | 9.700 | 10.700 | 10.500 | 43.250 |
| 12 | Julia Atanazio | SERC Santa Maria | 12.350 | 9.250 | 10.250 | 11.350 | 43.200 |
| 13 | Yasmin Santos | Gremio Nautico | 11.750 | 9.200 | 11.450 | 10.750 | 43.150 |
| 14 | Camille Fonseca | Sao Bernardo | 12.050 | 10.150 | 9.350 | 11.500 | 43.050 |
| 15 | Maria Rita Simao | Fluminense | 12.400 | 9.850 | 8.950 | 10.800 | 42.000 |
| 16 | Maria Eduarda Neves | Fluminense | 11.100 | 10.500 | 9.950 | 10.400 | 41.950 |
| 17 | Luiza Dinizio | CCRN | 12.550 | 8.400 | 10.200 | 10.200 | 41.350 |
| 18 | Beatriz Silva | SERC Santa Maria | 12.150 | 8.600 | 9.400 | 10.350 | 40.500 |
| 19 | Helena Bertucci | SERC Santa Maria | 12.450 | 7.800 | 8.000 | 11.100 | 39.350 |
| 20 | Tamires Nayara Santos | SERC Santa Maria | 12.000 | 8.200 | 9.300 | 9.600 | 39.100 |
| 21 | Maria Eduarda Fernandes | Fluminense | 11.900 | 8.050 | 9.050 | 9.750 | 38.750 |
| 22 | Raissa Gomes | CCRN | 12.350 | 2.750 | 8.150 | 9.800 | 33.050 |
| 23 | Vitoria Silva | Flamengo | —— | 11.650 | 9.500 | —— | 21.150 |
| 24 | Gabriella Oliveira | CCRN | —— | 7.600 | —— | —— | 7.600 |
Vault Final Results (Age 14-15)
| Rank | Athlete | Club | QF | EF | Total |
| 1 | Christal Bezerra | ADECO | 13.300 | 13.400 | 26.700 |
| 2 | Bianca Tavares | Fluminense | 12.675 | 12.625 | 25.300 |
| 3 | Rafaela Oliva | Gremio Nautico | 12.250 | 12.300 | 24.550 |
| 4 | Natalia Jesus | Fluminense | 11.750 | 12.275 | 24.025 |
| 5 | Julia Pereira | Sao Bernardo | 12.850 | 0.000 | 12.850 |
Bars Final Results (Age 14-15)
| Rank | Athlete | Club | QF | EF | Total |
| 1 | Christal Bezerra | ADECO | 12.600 | 12.350 | 24.950 |
| 2 | Bianca Tavares | Fluminense | 11.750 | 11.550 | 23.300 |
| 3 | Vitoria Silva | Flamengo | 11.650 | 10.850 | 22.500 |
| 4 | Maria Eduarda Neves | Fluminense | 10.500 | 9.700 | 20.200 |
| 5 | Camila Almeida | Minas Tenis | 10.220 | 9.450 | 19.670 |
Beam Final Results (Age 14-15)
| Rank | Athlete | Club | QF | EF | Total |
| 1 | Rafaela Oliva | Gremio Nautico | 12.100 | 12.450 | 24.550 |
| 2 | Christal Bezerra | ADECO | 11.950 | 12.150 | 24.100 |
| 3 | Bianca Tavares | Fluminense | 11.450 | 12.000 | 23.450 |
| 4 | Ana Luiza Araujo | Sao Bernardo | 11.150 | 11.900 | 23.050 |
| 5 | Natalia Jesus | Fluminense | 10.400 | 9.450 | 19.850 |
Floor Final Results (Age 14-15)
| Rank | Athlete | Club | QF | EF | Total |
| 1 | Christal Bezerra | ADECO | 12.450 | 12.300 | 24.750 |
| 2 | Rafaela Oliva | Gremio Nautico | 12.150 | 12.450 | 24.600 |
| 3 | Camila Almeida | Minas Tenis | 11.700 | 12.050 | 23.750 |
| 4 | Bianca Tavares | Fluminense | 11.350 | 11.950 | 23.300 |
| 5 | Natalia Jesus | Fluminense | 11.600 | 11.100 | 22.700 |
All-Around Results (Age 12)
| Rank | Athlete | Club | VT | UB | BB | FX | AA |
| 1 | Luisa Maia | Sao Bernardo | 13.200 | 9.600 | 11.750 | 11.400 | 45.950 |
| 2 | Maria Eduarda Lima | CCRN | 12.650 | 9.050 | 11.050 | 11.300 | 44.050 |
| 3 | Gabriela Reis | Sao Bernardo | 12.350 | 9.650 | 10.450 | 11.150 | 43.600 |
| 4 | Marina Baracho | CCRN | 10.850 | 7.300 | 10.550 | 10.650 | 39.350 |
| 5 | Mirella Santos | Minas Tenis | 11.900 | 7.750 | 9.800 | 8.450 | 37.900 |
| 6 | Julia Berti | SERC Santa Maria | 10.850 | 3.200 | 9.250 | 9.550 | 32.850 |
| 7 | Marjorie Shimabukuro | SERC Santa Maria | 10.550 | 2.850 | 8.650 | 8.250 | 30.300 |
Vault Final Results (Age 12-13)
| Rank | Athlete | Club | QF | EF | Total |
| 1 | Ana Luiza Lima | CEGIN | 13.325 | 13.050 | 26.375 |
| 2 | Julia Soares | CEGIN | 13.250 | 12.975 | 26.225 |
| 3 | Luisa Maia | Sao Bernardo | 12.700 | 12.500 | 25.200 |
| 4 | Maria Eduarda Lima | CCRN | 12.500 | 12.125 | 24.625 |
| 5 | Marcela Meireles | Fluminense | 12.475 | 12.000 | 24.475 |
Bars Final Results (Age 12-13)
| Rank | Athlete | Club | QF | EF | Total |
| 1 | Ana Luiza Lima | CEGIN | 11.400 | 11.900 | 23.300 |
| 2 | Julia Soares | CEGIN | 10.600 | 10.350 | 20.950 |
| 3 | Camille Fonseca | Sao Bernardo | 10.150 | 10.650 | 20.800 |
| 4 | Maria Eduarda Tavares | Gremio Nautico | 9.700 | 10.150 | 19.850 |
| 5 | Maria Rita Simao | Fluminense | 9.850 | 9.700 | 19.550 |
Beam Final Results (Age 12-13)
| Rank | Athlete | Club | QF | EF | Total |
| 1 | Julia Soares | CEGIN | 13.150 | 12.550 | 25.700 |
| 2 | Ana Luiza Lima | CEGIN | 12.400 | 11.900 | 24.300 |
| 3 | Luisa Maia | Sao Bernardo | 11.750 | 11.800 | 23.550 |
| 4 | Marcela Meireles | Fluminense | 11.500 | 11.550 | 23.050 |
| 5 | Yasmin Santos | Gremio Nautico | 11.450 | 10.450 | 21.900 |
Floor Final Results (Age 12-13)
| Rank | Athlete | Club | QF | EF | Total |
| 1 | Ana Luiza Lima | CEGIN | 13.700 | 13.550 | 27.250 |
| 2 | Julia Soares | CEGIN | 12.950 | 13.050 | 26.000 |
| 3 | Luisa Maia | Sao Bernardo | 11.400 | 11.850 | 23.250 |
| 4 | Julia Atanazio | SERC Santa Maria | 11.350 | 11.100 | 22.450 |
| 5 | Camille Fonseca | Sao Bernardo | 11.500 | 10.850 | 22.350 |
Team Final Results
| Rank | Club | VT | UB | BB | FX | Total |
| 1 | SAO BERNARDO (Camile Fonseca, Luisa Maia, Julia Pereira, Gabriela Reis, Ana Luiza Araujo) | 39.300 | 29.900 | 33.550 | 35.200 | 137.950 |
| 2 | FLUMINENSE (Natalia Jesus, Marcela Meireles, Maria Eduarda Neves, Maria Rita Simao, Bianca Tavares) | 38.150 | 32.100 | 33.350 | 33.750 | 137.350 |
| 3 | GREMIO NAUTICO (Rafaela Oliva, Yasmin Santos, Maria Eduarda Tavares) | 36.850 | 28.900 | 34.250 | 33.400 | 133.400 |
| 4 | CCRN (Marina Baracho, Luiza Dinizio, Raissa Gomes, Maria Eduarda Lima, Gabriella Oliveira) | 37.550 | 25.050 | 31.800 | 32.150 | 126.550 |
| 5 | SERC SANTA MARIA (Julia Atanazio, Helena Bertucci, Tamires Nayara Santos, Beatriz Silva) | 36.950 | 26.050 | 28.950 | 32.800 | 124.750 |
