Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Year | Competition | Venue | Position | Event | Notes |
| --- | --- | --- | --- | --- | --- |
| 1990 | Pan American Race Walking Cup | Xalapa, México | 25th | 20 km | 1:48:49 |
| 1993 | Central American and Caribbean Games | Ponce, Puerto Rico | 3rd | 20 km | 1:29:43 |
| 1994 | Central American Games | San Salvador, El Salvador | 1st | 20 km | 1:27:45 |
| 1995 | Pan American Games | Mar del Plata, Argentina | 3rd | 20 km | 1:23:50 |
| 1995 | Central American and Caribbean Championships | Ciudad de Guatemala, Guatemala | 2nd | 20 km | 1:25:10 A |
| 1996 | Olympic Games | Atlanta, Georgia | DSQ | 20 km |  |
| 1997 | World Race Walking Cup | Podebrady, Czech Republic | 5th | 20 km | 1:18:51 |
| 1997 | Central American and Caribbean Championships | San Juan, Puerto Rico | 1st | 20 km | 1:26:24.40 CR |
| 1997 | World Championships | Athens, Greece | DSQ | 20 km |  |
| 1997 | Central American Games | San Pedro Sula, Honduras | 1st | 20 km | 1:35:45 |
| 1998 | Ibero-American Championships | Lisbon, Portugal | 2nd | 20 km | 1:26:25 |
| 1998 | Central American and Caribbean Games | Maracaibo, Venezuela | 3rd | 20 km | 1:25:31 |
| 1999 | Pan American Games | Winnipeg, Canada | 4th | 20 km | 1:20:58 |
| 1999 | World Championships | Seville, Spain | DSQ | 20 km |  |
| 2000 | Olympic Games | Sydney, Australia | 43rd | 20 km | 1:31:47 |
| 2001 | Central American and Caribbean Championships | Guatemala City, Guatemala | 3rd | 20 km | 1:29:47 A |
| 2001 | Central American Games | Ciudad de Guatemala, Guatemala | 2nd | 20 km | 1:27:53 A |
| 2002 | Ibero-American Championships | Ciudad de Guatemala, Guatemala | 2nd | 20,000 m | 1:24:31 |
| 2003 | Central American and Caribbean Championships | St. George's, Grenada | 1st | 18,000 m | 1:22:07 |
| 2003 | Pan American Games | Santo Domingo, Dominican Republic | DSQ | 20 km |  |
| 2003 | Pan American Games | Santo Domingo, Dominican Republic | DNF | 50 km |  |
| 2003 | World Championships | Paris, France | DSQ | 20 km |  |
| 2004 | World Race Walking Cup | Naumburg, Germany | 15th | 50 km | 3:56:19 |
| 2004 | Olympic Games | Athens, Greece | DSQ | 50 km |  |
| 2004 | Central American Championships | Managua, Nicaragua | 3rd | 20 km | 1:33:20.46 |
| 2005 | Central American and Caribbean Championships | Nassau, Bahamas | 1st | 20,000 m | 1:30:38.07 |
| 2005 | World Championships | Helsinki, Finland | 12th | 50 km | 3:57:56 |
| 2006 | Ibero-American Championships | Ponce, Puerto Rico | – | 20,000 m | DQ |
| 2006 | Central American and Caribbean Games | Cartagena, Colombia | 5th | 20 km | 1:33:00 |
| 2007 | Central American Championships | San José, Costa Rica | 3rd | 20 km | 1:27:30.42 |
| 2007 | Pan American Games | Rio de Janeiro, Brazil | DSQ | 20 km |  |
Question:
how long did it take martinez to run the 20 km at the central american games in 1994?
Answer:
1:27:45