Ricardo Adrián Roach González (born 12 October 1972) is a retired Chilean athlete who specialised in the sprinting events. He represented his country in the 200 metres at the 2000 Summer Olympics, as well as 1995 and 1999 World Championships failing to reach the second round.In addition, he won several medals at regional level.
He has a twin brother, Rodrigo Roach, who was also a sprinter.
| Representing | |||||
|---|---|---|---|---|---|
| 1994 | Ibero-American Championships | Mar del Plata, Argentina | 4th | 400 m | 48.00 |
| — | 4x100 m relay | DNF | |||
| 4th | 4x400 m relay | 3:08.27 | |||
| South American Games | Valencia, Venezuela | bgcolor=gold | 1st | 4x100 m relay | 39.67 |
| bgcolor=gold | 1st | 4x400 m relay | 3:06.92 | ||
| 1995 | South American Championships | Manaus, Brazil | 4th | 200 m | 21.35 |
| 4th | 400 m | 47.33 | |||
| 4th | 4x100 m relay | 41.38 | |||
| 3rd | 4x400 m relay | 3:11.83 | |||
| World Championships | Gothenburg, Sweden | 61st (h) | 200 m | 21.65 | |
| Universiade | Fukuoka, Japan | 22nd (qf) | 200 m | 21.55 | |
| 1997 | South American Championships | Mar del Plata, Argentina | 7th | 400 m | 48.23 |
| bgcolor=silver | 2nd | 4x100 m relay | 40.08 | ||
| bgcolor=silver | 2nd | 4x400 m relay | 3:07.98 | ||
| Universiade | Catania, Italy | 57th (h) | 100 m | 11.36 | |
| 16th (qf) | 200 m | 21.28 | |||
| 1998 | Ibero-American Championships | Lisbon, Portugal | 5th | 400 m | 47.29 |
| South American Games | Cuenca, Ecuador | bgcolor=gold | 1st | 100 m | 10.36 A |
| bgcolor=gold | 1st | 200 m | 20.4 A | ||
| bgcolor=silver | 2nd | 4x100 m relay | 40.63 | ||
| 1999 | South American Championships | Bogotá, Colombia | 4th | 100 m | 10.21 A |
| bgcolor=silver | 2nd | 200 m | 20.59 A | ||
| 3rd | 4x100 m relay | 39.98 A | |||
| Universiade | Palma de Mallorca, Spain | 9th (sf) | 200 m | 21.93 | |
| Pan American Games | Winnipeg, Canada | 17th (h) | 100 m | 10.69 | |
| World Championships | Seville, Spain | 50th (h) | 200 m | 21.13 | |
| 2000 | Ibero-American Championships | Rio de Janeiro, Brazil | 6th | 200 m | 21.39 |
| 3rd | 4x100 m relay | 39.90 | |||
| bgcolor=silver | 2nd | 4x400 m relay | 3:10.86 | ||
| Olympic Games | Sydney, Australia | 49th (h) | 200 m | 21.20 | |
| 34th (h) | 4x100 m relay | 40.20 | |||
| 2001 | South American Championships | Manaus, Brazil | 4th (h) | 200 m | 21.28 |
| 5th | 4x100 m relay | 42.06 | |||
| 2002 | Ibero-American Championships | Guatemala City, Guatemala | 3rd | 400 m | 46.37 A |
| 2003 | South American Championships | Barquisimeto, Venezuela | 5th | 200 m | 21.29 |
| 3rd | 4x100 m relay | 40.04 | |||