In this edition of the race, time bonuses of 10, 6 and 4 seconds are awarded to the top 3 riders in each stage. Time bonuses of 3, 2 and 1 seconds are awarded to the first 3 riders at each intermediary sprint point. For the points classification, the top 5 riders in each stage are awarded 10, 7, 5, 3 and 2 points, respectively. The first 3 riders at each intermediary sprint receive 5, 3 and 2 points. Climbs are classified among 4 categories. The first 3 riders at each summit are awarded points in the mountains classification according to the category:
Category 1: 11, 9, 8 pts
Category 2: 9, 7, 6 pts
Category 3: 7, 5, 4 pts
Category 4: 5, 3, 2 pts
The team classification accounts the times of the first 3 riders of each team in each stage.
Held Sunday, April 20, 2008, in Autódromo José Carlos Pace. This stage featured 20 laps in the racing circuit, for a total distance of 85.84 km. A field of 94 riders finished with the same time of the stage winner, Edgardo Simón.
Held Tuesday, April 22, 2008. This stage was 93.2 km long, and was held in the afternoon, a few hours after Stage 3. A field of 95 riders finished with the same time of the stage winner, Edgardo Simón.
Held Friday, April 25, 2008. This stage was 105.6 km long, and a field of 102 riders finished with the same time
of the stage winner, Francisco Chamorro.