| | Event type
100 metres, Boys
| Date | 12 – 15 October 2018 | |
|---|---|---|
| Status | YOG | |
| Location | Athletics Field, Parque Olímpico de la Juventud, Villa Soldati, Buenos Aires | |
| Participants | 38 from 38 countries | |
| Format | Two stages with final results determined by cumulative time. | |
| Pos | Nr | Athlete | NOC | Time | Stage One | Stage Two | |||
|---|---|---|---|---|---|---|---|---|---|
| 1 | – | Luke Davids |  RSA | 20.71 | 10.56 (1) | 10.15 (1) | Gold | ||
| 2 | – | Alaba Akintola |  NGR | 21.00 | 10.76 (2) | 10.24 (2) | Silver | ||
| 3 | – | Seiryo Ikeda |  JPN | 21.12 | 10.82 (3) | 10.30 (3) | Bronze | ||
| 4 | – | Michali Everett |  JAM | 21.38 | 10.94 (=5) | 10.44 (4) | |||
| 5 | – | Raphael Ngaguele Mberlina |  CMR | 21.49 | 10.98 (8) | 10.51 (5) | |||
| 6 | – | Fabian Olbert |  GER | 21.52 | 10.93 (4) | 10.59 (=7) | |||
| 7 | – | Mahdi Rezaei |  IRI | 21.56 | 10.99 (9) | 10.57 (6) | |||
| 8 | – | Issa Sangare |  MLI | 21.58 | 10.97 (7) | 10.61 (=10) | |||
| 9 | – | Mateo Vargas |  PAR | 21.66 | 11.05 (13) | 10.61 (=10) | |||
| 10 | – | Lucas da Silva |  BRA | 21.66 | 11.04 (12) | 10.62 (12) | |||
| 11 | – | Adrian Curry |  BAH | 21.67 | 11.03 (11) | 10.64 (13) | |||
| 12 | – | Shelton St. Rose |  LCA | 21.71 | 11.01 (10) | 10.70 (15) | |||
| 13 | – | Romar Stapleton |  VIN | 21.83 | 11.16 (17) | 10.67 (14) | |||
| 14 | – | Muhammad Fakhrul Abdul Aziz |  MAS | 21.83 | 11.10 (15) | 10.73 (=16) | |||
| 15 | – | Darian Clarke |  BAR | 21.84 | 11.06 (14) | 10.78 (20) | |||
| 16 | – | Adi Sidiq |  INA | 21.85 | 11.26 (19) | 10.59 (=7) | |||
| 17 | – | Tadeáš Formánek |  CZE | 21.86 | 11.27 (=20) | 10.59 (=7) | |||
| 18 | – | He Yuhong |  CHN | 21.90 | 11.15 (16) | 10.75 (18) | |||
| 19 | – | Rafał Łupiński |  POL | 21.97 | 11.24 (18) | 10.73 (=16) | |||
| 20 | – | Luis Rodríguez |  PUR | 22.04 | 11.27 (=20) | 10.77 (19) | |||
| 21 | – | Dominik Illovszky |  HUN | 22.15 | 11.33 (=22) | 10.82 (21) | |||
| 22 | – | Gary Rankin |  CAY | 22.16 | 11.33 (=22) | 10.83 (22) | |||
| 23 | – | Martín Loera |  MEX | 22.27 | 11.39 (24) | 10.88 (23) | |||
| 24 | – | Noah Conteh |  SLE | 22.40 | 11.45 (25) | 10.95 (24) | |||
| 25 | – | Dominic Cole |  TTO | 22.53 | 11.52 (26) | 11.01 (26) | |||
| 26 | – | Timo Castrini |  SUI | 22.55 | 11.58 (27) | 10.97 (25) | |||
| 27 | – | Bongumenzi Mbingo |  SWZ | 22.88 | 11.70 (28) | 11.18 (27) | |||
| 28 | – | Sunnyboy Barcon |  LBR | 23.09 | 11.76 (38) | 11.33 (29) | |||
| 29 | – | Ibadulla Adam |  MDV | 23.20 | 11.88 (30) | 11.32 (28) | |||
| 30 | – | Fabio Moniz |  STP | 23.22 | 11.82 (29) | 11.40 (30) | |||
| 31 | – | Kanaee Tauia |  TUV | 23.40 | 11.95 (32) | 11.45 (32) | |||
| 32 | – | Guy Michel |  HAI | 23.43 | 11.99 (=34) | 11.44 (31) | |||
| 33 | – | Vat Saisouly |  LAO | 23.56 | 11.96 (33) | 11.61 (=33) | |||
| 34 | – | Iosefa Mauga, Jr. |  ASA | 23.60 | 11.99 (=34) | 11.61 (=33) | |||
| 35 | – | Marcelo Gomes |  CPV | 23.79 | 12.08 (36) | 11.71 (35) | |||
| 36 | – | Andriy Vasyliev |  UKR | 54.67 | 12.21 (37) | 42.46 (36) | |||
| – | Ahmed Muhanna Almarwani |  KSA | – | 10.94 (=5) | – ( | ||||
| – | Ronward Hinarua |  SOL | – | 11.89 (31) | – ( |