2018 South American Under-23 Championships in Athletics – Results

These are the full results of the 2018 South American Under-23 Championships in Athletics which took place between September 29 and 30 at Pista de Atletismo Jefferson Pérez in Cuenca, Ecuador.

100 meters
Heats – September 29 Wind: Heat 1: +0.3 m/s, Heat 2: +0.6 m/s Final – September 29 Wind: +0.3 m/s

200 meters
Heats – September 30 Wind: Heat 1: +1.1 m/s, Heat 2: 0.0 m/s Final – September 30 Wind: -1.9 m/s

400 meters
September 29

800 meters
September 30

1500 meters
September 29

5000 meters
September 30

10,000 meters
September 29

110 meters hurdles
September 29 Wind: +1.2 m/s

400 meters hurdles
September 30

3000 meters steeplechase
September 30

4 × 100 meters relay
September 29

4 × 400 meters relay
September 30

20,000 meters walk
September 29

High jump
September 29

Pole vault
September 30

Long jump
September 29

Triple jump
September 30

Shot put
September 29

Discus throw
September 30

Hammer throw
September 29

Javelin throw
September 30

Decathlon
September 29–30 {{legend|#F2F5A9|The highest mark recorded in each event is highlighted in yellow|border=solid 1px #AAAAAA}}

100 meters
Heats – September 29 Wind: Heat 1: +0.6 m/s, Heat 2: -0.2 m/s Final – September 29 Wind: +1.0 m/s

200 meters
Heats – September 30 Wind: Heat 1: +0.5 m/s, Heat 2: +1.6 m/s Final – September 30 Wind: -0.1 m/s

400 meters
September 29

800 meters
September 30

1500 meters
September 29

5000 meters
September 30

10,000 meters
September 29

100 meters hurdles
September 29 Wind: -1.4 m/s

400 meters hurdles
September 30

3000 meters steeplechase
September 30

4 × 100 meters relay
September 29

4 × 400 meters relay
September 30

20,000 meters walk
September 29

High jump
September 30

Pole vault
September 29

Long jump
September 30

Triple jump
September 29

Shot put
September 30

Discus throw
September 29

Hammer throw
September 30

Javelin throw
September 29

Heptathlon
September 29–30 {{legend|#F2F5A9|The highest mark recorded in each event is highlighted in yellow|border=solid 1px #AAAAAA}}