Jillian Cheryl Richardson-Briscoe (born March 10, 1965, in San Fernando, Trinidad and Tobago) is a Canadian athlete who competed mainly in the 400 metres. She is a three-time Olympian.[1] In 1988, she equalled Marita Payne's Canadian 400 metres record of 49.91 secs. The record (as of 2022) still stands. She was inducted into the Athletics Canada Hall of Fame in 2017.[2]
Richardson won a gold medal at the 1982 Commonwealth Games as a member of the 4 x 400 meter relay team. She repeated that feat at the 1986 Commonwealth Games, as well as winning a silver in the 400 meters. She was a member of the 4 x 400 metre relay that took a silver medal in the 1983 Pan American Games. She won a silver in the 400 meters at the 1987 Pan American Games, and as part of the Canadian 4 x 400 meter relay team. She took a gold medal in the 400 metres and a silver medal in the 4 x 400 metre relay at the 1989 Francophone Games.
She competed for Canada at three Olympic Games. At the 1984 Olympics in Los Angeles, she won the silver medal in the 4 x 400 metres relay with her team mates Charmaine Crooks, Molly Killingbeck and Marita Payne. At the 1988 Olympics in Seoul, she was eliminated in the 400 metres semi-finals, running 49.91. It was the first time someone had broken 50 seconds and failed to reach the final. Canada failed to finish the 4 × 400 m relay final due to an injury to Molly Killingbeck. At the 1992 Olympics in Barcelona, she finished fifth in the 400 m final, in 49.93 and fourth in the 4 × 400 m relay final.
| Representing | ||||||
| 1982 | Commonwealth Games | Brisbane, Australia | 1st | 4 × 400 m | 3:27.70 | |
| 1983 | World Championships | Helsinki, Finland | 4th | 4 × 400 m | 3:27.41 | |
| 1984 | Olympic Games | Los Angeles, United States | 2nd | 4 × 400 m | 3:21.21 | |
| 1986 | Commonwealth Games | Edinburgh, Scotland | 2nd | 400 m | 51.62 | |
| 1st | 4 × 400 m | 3:28.92 | ||||
| 1987 | Pan American Games | Indianapolis, United States | 2nd | 400 m | 50.35 | |
| 2nd | 4 × 400 m | 3:29.18 | ||||
| World Championships | Rome, Italy | 6th | 400 m | 51.03 | ||
| 4th | 4 × 400 m | 3:24.11 | ||||
| 1988 | Olympic Games | Seoul, South Korea | semi-final | 400 m | 49.91 | |
| DNF | 4 × 400 m | |||||
| 1989 | World Indoor Championships | Budapest, Hungary | 3rd | 400 m | 52.02 | |
| Francophonie Games | Casablanca, Morocco | 1st | 400 m | 51.79 | ||
| 2nd | 4 × 400 m | 3:32.96 | ||||
| 1992 | Olympic Games | Barcelona, Spain | 5th | 400 m | 49.93 | |
| 4th | 4 × 400 m | 3:25.20 | ||||
| 1993 | World Indoor Championships | Toronto, Canada | heats | 400 m | ||