This biography of a living person includes a list of references, related reading, or external links, but its sources remain unclear because it lacks inline citations. (November 2026) |
| Personal information | |
|---|---|
| Born | January 15, 1974 Santiago, Chile |
| Sport | |
| Sport | Triathlon |
Matias "Mati" Brain Peña (born January 15, 1974) is a Chilean triathlete. Nicknamed "Mati", Brain competed at the first Olympic triathlon at the 2000 Summer Olympics. He took forty-first place with a total time of 1:53:44.90.