# List of South American under-18 records in athletics

South American youth records in the sport of athletics are the all-time best marks set in competition by aged 17 or younger throughout the entire calendar year of the performance and competing for a member nation of the South American Athletics Confederation (Atletismo Sudamericano). CONSUDATLE maintains these records only in a specific list of outdoor events. All other records, including all indoor records, shown on this list are tracked by statisticians not officially sanctioned by CONSUDATLE.

## Outdoor

Key:  Awaiting ratification  Record not kept by CONSUDATLE  Not ratified or later rescinded by CONSUDATLE

### Boys

| Event | Record | Athlete | Nationality | Date | Meet | Place | Age |
| 100 m | 10.30 (+1.9 m/s) | Paulo André de Oliveira | Brazil | 14 November 2015 | | Maringá, Brazil | 17 years, 86 days |
| 200 m | 20.67 (-1.0 m/s) | Vítor Hugo dos Santos | Brazil | 14 July 2013 | World Youth Championships | Donetsk, Ukraine | 17 years, 163 days |
| 400 m | 46.23 | Andrés Silva | Uruguay | 21 June 2003 | South American Championships | Barquisimeto, Venezuela | 17 years, 89 days |
| 800 m | 1:47.85 | Joaquim Cruz | Brazil | 30 August 1980 | | Sudbury, Canada | 17 years, 171 days |
| 1500 m | 3:47.35 | Federico Bruno | Argentina | 4 May 2010 | | Mar del Plata, Argentina | 16 years, 320 days |
| 3000 m | 8:23.51 | Federico Bruno | Argentina | 6 November 2010 | | Buenos Aires, Argentina | 17 years, 141 days |
| 5000 m | 14:31.81 | Daniel do Nascimento | Brazil | 31 July 2015 | | Edmonton, Canada | 17 years, 3 days |
| 10000 m | | | | | | | |
| 110 m hurdles (91.4 cm) | 13.20 (+1.7 m/s) | Vinicius de Brito | Brazil | 2 September 2023 | Jogos da Juventude | Pirassununga, Brazil | 17 years, 183 days |
| 400 m hurdles (84 cm) | 51.12 | Mikael de Jesus | Brazil | 22 August 2014 | Youth Olympics | Nanjing, China | 17 years, 3 days |
| 2000 m steeplechase | 5:45.22 | Daniel do Nascimento | Brazil | 14 June 2015 | Brazilian U18 Championships | São Bernardo do Campo, Brazil | 16 years, 321 days |
| 3000 m steeplechase | 8:39.45 | Sergio Arezo | Uruguay | 13 November 2011 | Uruguayan Championships | Montevideo, Uruguay | 17 years, 259 days |
| High jump | 2.18 m | Luciano Bacelli | Brazil | 26 June 1983 | | São Paulo, Brazil | |
| Pole vault | 5.51 m | Germán Chiaraviglio | Argentina | 1 May 2004 | | Porto Alegre, Brazil | 17 years, 15 days |
| Long jump | 7.97 m (+1.4 m/s) | Jhamal Bowen | Panama | 11 May 2008 | | Barquisimeto, Venezuela | 17 years, 124 days |
| Triple jump | 16.33 m (+2.0 m/s) | Miguel van Assen | Surinam | 19 April 2014 | CARIFTA Games | Fort-de-France, Martinique | 16 years, 263 days |
| Shot put (5 kg) | 21.94 m | Nazareno Sasia | Argentina | 12 October 2018 | Youth Olympic Games | Buenos Aires, Argentina | 17 years, 280 days |
| Discus throw (1.5 kg) | 67.05 m | Claudio Romero | Chile | 23 September 2017 | | Santiago, Chile | 17 years, 75 days |
| Hammer throw (5 kg) | 85.38 m | Joaquin Gomez | Argentina | 30 November 2013 | "Profesor Hugo La Nasa" Meet | Buenos Aires, Argentina | 17 years, 47 days |
| Javelin throw (800 g) | 75.41 m | Edwin Cuesta | Venezuela | 19 August 1998 | | Maracaibo, Venezuela | |
| Javelin throw (700 g) | 89.34 m | Braian Toledo | Argentina | 6 March 2010 | | Mar del Plata, Argentina | 16 years, 179 days |
| Octathlon | 6456 pts | Andrés Silva | Uruguay | 10–11 July 2003 | World Youth Championships | Sherbrooke, Canada | 17 years, 106 days |
| Decathlon | 7396 pts | Caio da Silva | Brazil | 16 October 2016 | | São Bernardo do Campo, Brazil | |
| 5000 m walk (track) | 20:13.69 | Óscar Patín | Ecuador | 11 October 2018 | Youth Olympic Games | Buenos Aires, Argentina | 17 years, 252 days |
| 10000 m walk (track) | 40:08.23 | Jefferson Pérez | Ecuador | 10 August 1990 | World Junior Championships | Plovdiv, Bulgaria | 16 years, 40 days |
| 10 km walk (road) | 41:32 | David Hurtado | Ecuador | 6 November 2016 | | Hauppauge, United States | 17 years, 199 days |
| 20 km walk (road) | | | | | | | |
| 4 × 100 m relay | 40.77 A | | Brazil | 4 November 2000 | | Bogotá, Colombia | |
| 4 × 400 m relay | 3:14.39 | | Colombia | 20 November 2011 | | Panama City, Panama | |
| Swedish medley relay | 1:51.65 | | Brazil Rafael da Silva Ribeiro Bruno de Alcántara Goes Jorge Celio da Rocha Sena Diego Venancio | 20 October 2002 | | Asunción, Paraguay | |

### Girls

| Event | Record | Athlete | Nationality | Date | Meet | Place | Age |
| 100 m | 11.39 (+1.1 m/s) | Franciela Krasucki | Brazil | 13 July 2005 | World Youth Championships | Marrakesh, Morocco | 17 years, 48 days |
| 100 m | 11.39 (+1.6 m/s) | Franciela Krasucki | Brazil | 1 October 2005 | South American Junior Championships | Rosario, Argentina | 17 years, 128 days |
| 100 m | 11.30 | Ángela Tenorio | Ecuador | 29 June 2013 | Ecuadorian Junior Championships | Quito, Ecuador | 17 years, 153 days |
| 200 m | 23.13 (-0.1 m/s) | Angela Tenorio | Ecuador | 14 July 2013 | World Youth Championships | Donetsk, Ukraine | 17 years, 168 days |
| 400 m | 51.04 | Kadecia Baird | Guyana | 13 July 2012 | World Junior Championships | Barcelona, Spain | 17 years, 140 days |
| 800 m | 2:06.81 | Juliana Paula dos Santos | Brazil | 6 August 2000 | | Rio de Janeiro, Brazil | 17 years, 25 days |
| 1500 m | 4:13.53 | Yessica Quispe | Peru | 16 October 2004 | | Lima, Peru | 17 years, 269 days |
| 3000 m | 9:19.92 | Yessica Quispe | Peru | 11 September 2004 | | Lima, Peru | 17 years, 234 days |
| 5000 m | | | | | | | |
| 10000 m | | | | | | | |
| Marathon | | | | | | | |
| 100 m hurdles (76.2 cm) | 13.04 A (+0.1) | Maribel Caicedo | Ecuador | 16 July 2015 | World Youth Championships | Cali, Colombia | 17 years, 106 days |
| 100 m hurdles (84 cm) | 13.72 (+0.6 m/s) | Gilda Massa | Peru | 19 June 1993 | | Puerto la Cruz, Venezuela | |
| 400 m hurdles | 57.74 | Valeria Cabezas | Colombia | 25 August 2018 | Ibero-American Championships | Trujillo, Peru | 17 years, 221 days |
| 2000 m steeplechase | 6:34.7 h | Sabine Heitling | Brazil | 26 September 2004 | South American Youth Championships | Guayaquil, Ecuador | 17 years, 86 days |
| 3000 m steeplechase | 10:14.52 | Zulema Arenas | Peru | 22 September 2012 | South American Under-23 Championships | São Paulo, Brazil | 16 years, 312 days |
| High jump | 1.85 m A | Orlane dos Santos | Brazil | 17 June 1983 | | Mexico City, Mexico | 16 years, 190 days |
| High jump | 1.85 m | María Fernanda Murillo | Colombia | 13 November 2016 | South American U18 Championships | Concordia, Entre Ríos, Argentina | 17 years, 297 days |
| Pole vault | 4.40 m A | Robeilys Peinado | Venezuela | 25 August 2013 | Pan American Junior Championships | Medellín, Colombia | 15 years, 272 days |
| Long jump | 6.41 m A (-0.2 m/s) | Natalia Linares | Colombia | 13 December 2020 | Grand Prix de Ecuador | Quito, Ecuador | 17 years, 345 days |
| Triple jump | 13.60 m (+0.8 m/s) | Núbia Soares | Brazil | 12 July 2013 | World Youth Championships | Donetsk, Ukraine | 17 years, 108 days |
| Shot put (3 kg) | 17.34 m A | Belsy Jenniffer Quiñonez | Chile | 20 October 2024 | Ecuadorian U18 Championships | Quito, Ecuador | 17 years, 173 days |
| Shot put (4 kg) | 16.36 m | Natalia Duco | Chile | 11 November 2006 | South American U23 Championships | Buenos Aires, Argentina | 17 years, 284 days |
| Discus throw | | | | | | | |
| Hammer throw | | | | | | | |
| Javelin throw (500 g) | 59.82 m | Yuleixi Angulo | Ecuador | 13 October 2018 | Youth Olympic Games | Buenos Aires, Argentina | 17 years, 284 days |
| Javelin throw (600 g) | 54.95 m A | Yuleixi Angulo | Ecuador | 29 September 2018 | South American U-23 Championships | Cuenca, Ecuador | 17 years, 270 days |
| Heptathlon | | | | | | | |
| 5000 m walk (track) | 21:53.8 h | Yuli Capcha | Peru | 14 May 2011 | Grand Prix Internacional de Marcha | Lima, Peru | 16 years, 277 days |
| 5 km walk (road) | 22:42+ | Glenda Morejón | Ecuador | 13 May 2017 | Pan American Race Walking Cup | Lima, Peru | 16 years, 348 days |
| 5 km walk (road) | 21:16 | Glenda Morejón | Ecuador | 15 April 2017 | National Racewalking Championships | Sucúa, Ecuador | 16 years, 320 days |
| 5 km walk (road) | 21:59 | Paula Milena Torres | Ecuador | 15 April 2017 | National Racewalking Championships | Sucúa, Ecuador | 16 years, 180 days |
| 10000 m walk (track) | | | | | | | |
| 4 × 100 m relay | 45.75 | | Brazil | 31 July 2005 | | | |
| 4 × 400 m relay | 3:49.67 | | Brazil | 20 October 1996 | | Asunción, Paraguay | |
| Swedish medley relay | 2:06.60 | Tatiane Ferraz Vanda Gomes Franciela Krasucki Josiane Valentim | Brazil | 17 July 2005 | World Youth Championships | Marrakesh, Morocco | 16 years, 252 days 17 years, 82 days |

## Indoor
### Boys

| Event | Record | Athlete | Nationality | Date | Meet | Place | Age |
| 60 m | | | | | | | |
| 200 m | | | | | | | |
| 400 m | | | | | | | |
| 800 m | | | | | | | |
| 1500 m | | | | | | | |
| 3000 m | | | | | | | |
| 60 m hurdles | | | | | | | |
| High jump | | | | | | | |
| Pole vault | 5.41 m | Germán Chiaraviglio | Argentina | 6 October 2004 | Festival Sudamericano de Garrocha | Santa Fe, Argentina | 17 years, 173 days |
| Long jump | | | | | | | |
| Triple jump | | | | | | | |
| Shot put | | | | | | | |
| Heptathlon | | | | | | | |
| Heptathlon | 60m Long jump Shot put High jump 60m H Pole vault 1000m | 60m Long jump Shot put High jump 60m H Pole vault 1000m | 60m Long jump Shot put High jump 60m H Pole vault 1000m | 60m Long jump Shot put High jump 60m H Pole vault 1000m | 60m Long jump Shot put High jump 60m H Pole vault 1000m | 60m Long jump Shot put High jump 60m H Pole vault 1000m | 60m Long jump Shot put High jump 60m H Pole vault 1000m |
| 5000 m walk | | | | | | | |
| 4 × 400 m relay | | | | | | | |

### Girls

| Event | Record | Athlete | Nationality | Date | Meet | Place | Age |
| 60 m | 7.42 A | Natalia Linares | Colombia | 1 February 2020 | South American Championships | Cochabamba, Bolivia | 17 years, 29 days |
| 200 m | 24.19 A | Natalia Linares | Colombia | 2 February 2020 | South American Championships | Cochabamba, Bolivia | 17 years, 30 days |
| 400 m | | | | | | | |
| 800 m | | | | | | | |
| 1500 m | | | | | | | |
| 3000 m | | | | | | | |
| 60 m hurdles | | | | | | | |
| High jump | | | | | | | |
| Pole vault | | | | | | | |
| Long jump | | | | | | | |
| Triple jump | | | | | | | |
| Shot put | | | | | | | |
| Pentathlon | | | | | | | |
| Pentathlon | 60m H High jump Shot put Long jump 800m | 60m H High jump Shot put Long jump 800m | 60m H High jump Shot put Long jump 800m | 60m H High jump Shot put Long jump 800m | 60m H High jump Shot put Long jump 800m | 60m H High jump Shot put Long jump 800m | 60m H High jump Shot put Long jump 800m |
| 3000 m walk | | | | | | | |
| 4 × 400 m relay | | | | | | | |