Jillian Cheryl Richardson-Briscoe (born March 10, 1965 in Guayaguayare, Trinidad and Tobago) is a Canadian athlete who competed mainly in the 400 metres. She is a three-time Olympian. In 1988, she equalled Marita Payne's Canadian 400 metres record of 49.91 secs. The record (as of 2014) still stands. She was inducted into the Athletics Canada Hall of Fame in 2017.
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 a 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.
- Three-time Canadian Champion - 400 m (1987) 200 m (1988, 1989)
- Canadian 400m record holder - 49.91 in 1988 (shared with Marita Payne)
|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|
- "Gilbert, Richardson-Briscoe and Wright to be inducted into Athletics Canada Hall of Fame". Athletics Canada. 5 May 2017.