Medalists
| Gold | Silver | Bronze |
|---|---|---|
Mariana Pajón  Colombia | Gabriela Díaz  Argentina | Andrea Zuluaga Colombia |
The Women's BMX 20" wheel event at the 2010 South American Games was held on March 18. The qualifications started at 9:15 and the Final at 10:50.
| Gold | Silver | Bronze |
|---|---|---|
| Mariana Pajón Colombia | Gabriela Díaz Argentina | Andrea Zuluaga Colombia |
| Rank | Rider | Run 1 | Run 2 | Run 3 | Total |
|---|---|---|---|---|---|
| 1 | Mariana Pajón (COL) | 53.787 (1) | 51.251 (1) | 51.275 (1) | 3 Q |
| 2 |  Stefany Hernández (VEN) | 1:14.869 (4) | 52.986 (2) | 52.802 (2) | 8 Q |
| 3 |  Belen Alcaide (CHI) | 55.739 (2) | 55.427 (4) | 54.566 (3) | 9 Q |
| 4 | Luisa Fernanda Correa (COL) | 58.426 (3) | 55.109 (3) | 55.705 (5) | 11 Q |
| 5 |  Squel Stein (BRA) | DNF (5) | 58.498 (5) | 55.608 (4) | 14 |
| 6 | Naiara Silva (BRA) | DNS (8) | DNS (8) | DSQ | |
| Rank | Rider | Run 1 | Run 2 | Run 3 | Total |
|---|---|---|---|---|---|
| 1 | Andrea Zuluaga (COL) | 55.503 (1) | 57.370 (1) | 52.236 (1) | 3 Q |
| 2 | María Belén Dutto (ARG) | 56.883 (2) | 1:02.233 (2) | 59.833 (3) | 7 Q |
| 3 | Gabriela Díaz (ARG) | 1:04.266 (4) | 1:06.040 (3) | 52.399 (2) | 9 Q |
| 4 | Florencia Ayelen Soriano (ARG) | 1:02.233 (3) | 1:07.290 (4) | 1:05.266 (4) | 11 Q |
| Kimmy Diquez (VEN) | DNS (7) | DNS (7) | DSQ | ||
| Rank | Rider | Run |
|---|---|---|
 | Mariana Pajón (COL) | 47.709 |
 | Gabriela Díaz (ARG) | 48.490 |
 | Andrea Zuluaga (COL) | 49.757 |
| 4 | Stefany Hernández (VEN) | 50.964 |
| 5 | Belen Alcaide (CHI) | 54.312 |
| 6 | Luisa Fernanda Correa (COL) | 55.314 |
| 7 | María Belén Dutto (ARG) | 55.457 |
| 8 | Florencia Ayelen Soriano (ARG) | 55.689 |