| 1 | A | B | C | D | E | F |
| --- | --- | --- | --- | --- | --- | --- |
| 2 | Mark Garner - Achievements |  |  |  |  |  |
| 3 | Year | Competition | Venue | Position | Event | Notes |
| 4 | Representing Australia | Representing Australia | Representing Australia | Representing Australia | Representing Australia | Representing Australia |
| 5 | 1986 | World Junior Championships | Athens, Greece | 8th (sf) | 200m | 21.42 (wind: -0.6 m/s) |
| 6 | 1986 | World Junior Championships | Athens, Greece | 10th (h) | 4 × 100 m relay | 40.56 |
| 7 | 1986 | World Junior Championships | Athens, Greece | 9th (h) | 4 × 400 m relay | 3:09.65 |
| 8 | 1988 | World Junior Championships | Sudbury, Canada | 9th (sf) | 200m | 21.21 (wind: +2.0 m/s) |
| 9 | 1988 | World Junior Championships | Sudbury, Canada | 10th (h) | 4 × 100 m relay | 40.67 |
| 10 | 1988 | World Junior Championships | Sudbury, Canada | 2nd | 4 × 400 m relay | 3:07.60 |
| 11 | 1988 | Olympic Games | Seoul, South Korea | 26th (qf) | 200m | 21.08 |
| 12 | 1988 | Olympic Games | Seoul, South Korea | 6th | 4 × 400 m | 3:02.49 |
| 13 | 1989 | World Cup | Barcelona, Spain | 8th | 400 m | 46.081 |
| 14 | 1989 | World Cup | Barcelona, Spain | 7th | 4×400 m relay | 3:04.881 |
| 15 | 1990 | Commonwealth Games | Auckland, New Zealand | 6th | 400m | 46.10 |
| 16 | 1990 | Commonwealth Games | Auckland, New Zealand | – | 4 × 400 m | DQ |
| 17 | 1991 | World Indoor Championships | Seville, Spain | 8th (sf) | 400m | 47.06 |
| 18 | 1991 | World Indoor Championships | Seville, Spain | 4th | 4 × 400 m | 3:08,49 |
| 19 | 1991 | World Championships | Tokyo, Japan | 8th | 400m | 45.47 |
| 20 | 1992 | Olympic Games | Barcelona, Spain | 28th | 400m (qf) | 46.85 |

Question: Which event did Mark Garner participate in at the 1988 World Junior Championships and which medal did he win? 
Answer: Mark Garner won the silver medal in the 4 × 400 m relay at the 1988 World Junior Championships.