100 m Backstroke, Men
| Competition | 2026 South American Games |
|---|---|
| Venue |
Rosario, Santa Fe, and Rafaela
 ARG
|
| Held | — |
| Status | Medal |
| Competitors | 3 |
| Countries | 2 |
| Pos | Athlete(s) | Country | Mark | ||
|---|---|---|---|---|---|
| 🥇 | Guilherme Basseto |  BRA |
54.54 | ||
| 🥈 | Samuel Lopes | BRA |
55.20 | ||
| 🥉 | José Materano | ARG |
56.01 |