Cassidy Williamson

RSAWomen

Birth dateOct 24, 1998

Height-

Weight-

Cassidy Williamson is a South Africa sprinter, born on October 24, 1998. She competes primarily in the 100m, 200m and 400m.

Her personal bests include 11.31 in the 100m, 23.79 in the 200m, 58.13 in the 400m, 45.98 in the 4x100m and 18.36 in the 150m. She is currently active on the international athletics circuit, representing South Africa.

Key facts

100 m

11.31

200 m

23.79

2021 season best

12.00

May 22, 2021 · Bestmed Tuks Stadium, Pretoria (RSA)

2021 season best

Age

27 years old

As of Oct 1, 2026: 100 m 11.31, 200 m 23.79, 2021 season best 12.00 (May 22, 2021, Bestmed Tuks Stadium, Pretoria (RSA)) · 27 years old

Personal bests

100m

11.31

200m

23.79

400m

58.13

4x100m

45.98

150m

18.36

Performance Charts

Season bests

Season	Discipline	Result	Wind	Date	Trend	Competitions
2021	100m	12.00	+2.7	May 22, 2021	↑	Bestmed Tuks Stadium, Pretoria (RSA)
2020	100m	12.28	-1.2	Mar 7, 2020	↑	Bestmed Tuks Stadium, Pretoria (RSA)
2020	150m	18.36	-	Feb 14, 2020	-	Johannesburg (RSA)
2020	200m	25.23	-1.1	Jan 18, 2020	↑	Bestmed Tuks Stadium, Pretoria (RSA)
2018	100m	11.31	+1.7	Mar 16, 2018	↑	South African Championships, Pretoria
2018	200m	23.79	-1.3	Feb 3, 2018	↑	Pretoria (RSA)
2016	100m	11.63	+2.6	Apr 1, 2016	↑	Germiston (RSA)
2016	200m	24.22	-0.9	Apr 2, 2016	↑	Germiston (RSA)
2016	4x100m	45.98	-	Jul 22, 2016	-	IAAF World U20 Championships
2013	100m	12.13	-0.1	Feb 9, 2013	↑	Durban (RSA)
2013	200m	24.57	-0.8	Apr 5, 2013	↑	Pretoria (RSA)
2013	400m	58.13	-	Feb 9, 2013	-	Durban (RSA)
2012	100m	12.24	+2.2	Mar 30, 2012	↑	Germiston (RSA)
2012	200m	25.36	+7.2	Mar 30, 2012	↑	Germiston (RSA)

2021

2 performances

Discipline	Result	Wind	Date	Competitions
100m	12.00	+2.7	May 22	AGN League 2, Bestmed Tuks Stadium, Pretoria
100m	12.29	+0.1	May 6	ACNW Open T&F Meeting, McArthur Stadium, Potchefstroom

2020

3 performances

Discipline	Result	Wind	Date	Competitions
100m	12.28	-1.2	Mar 7	AGN League 6, Bestmed Tuks Stadium, Pretoria
150m	18.36	-	Feb 14	Newton Classic Shoot-out, Johannesburg
200m	25.23	-1.1	Jan 18	AGN League 2, Bestmed Tuks Stadium, Pretoria

2018

13 performances

Discipline	Result	Wind	Date	Competitions
100m	11.79	+0.4	Aug 4	African Championships, Stephen Keshi Stadium, Asaba
100m	11.91	-2.4	Aug 4	African Championships, Stephen Keshi Stadium, Asaba
100m	11.91	-2.4	Aug 1	African Championships, Stephen Keshi Stadium, Asaba
100m	11.79	+0.4	Aug 1	African Championships, Stephen Keshi Stadium, Asaba
100m	11.56	-0.5	Mar 22	Paarl Athletix Grand Prix Series, Paarl
100m	11.31	+1.7	Mar 16	South African Championships, Pretoria
100m	11.31	+1.7	Mar 15	South African Championships, Pretoria
100m	11.77	-0.1	Mar 15	South African Championships, Pretoria
100m	11.39	+0.7	Mar 15	South African Championships, Pretoria
100m	11.47	+0.7	Feb 10	Pretoria AGN League, Pretoria
100m	11.45	+2.9	Feb 3	Pretoria AGN League, Pretoria
200m	23.79	-1.3	Feb 3	Pretoria AGN League, Pretoria
200m	24.64	-2.1	Jan 13	Pretoria

2016

14 performances

Discipline	Result	Wind	Date	Competitions
4x100m	45.98	-	Jul 22	IAAF World U20 Championships
100m	11.90	-0.4	Jul 21	IAAF World U20 Championships
100m	11.90	-0.4	Jul 20	IAAF World U20 Championships
100m	11.88	-0.8	Jun 11	Pretoria
200m	24.87	-0.1	Apr 19	Port Elizabeth ASA Night Series, Port Elizabeth
100m	11.80	+1.1	Apr 8	Sasolburg
200m	24.22	-0.9	Apr 2	Germiston South African U23/U20/U18/U16 Championships, Germiston - U20 Events
100m	11.63	+2.6	Apr 1	Germiston South African U23/U20/U18/U16 Championships, Germiston - U20 Events
200m	24.48	+3.2	Apr 1	Germiston South African U23/U20/U18/U16 Championships, Germiston - U20 Events
100m	11.74	+1.1	Mar 31	Germiston South African U23/U20/U18/U16 Championships, Germiston - U20 Events
200m	24.70	+1.5	Mar 12	Durban - U20 Events
100m	12.12	+0.9	Mar 11	Durban - U20 Events
100m	12.67	-1.5	Mar 11	Durban - U20 Events
100m	12.79	-	Mar 11	Durban - U20 Events

2013

9 performances

Discipline	Result	Wind	Date	Competitions
200m	24.57	-0.8	Apr 5	Pretoria South African U16 Championships, Pretoria
100m	12.19	+1.0	Apr 5	Pretoria South African U16 Championships, Pretoria
200m	25.32	-1.0	Apr 4	Pretoria South African U16 Championships, Pretoria
100m	12.53	-0.3	Apr 4	Pretoria South African U16 Championships, Pretoria
100m	12.40	+1.8	Mar 22	Port Elizabeth SA Secondary Schools Championships, Port Elizabeth - U16 Events
200m	25.06	-1.7	Mar 22	Port Elizabeth SA Secondary Schools Championships, Port Elizabeth - U16 Events
100m	12.55	-0.9	Mar 21	Port Elizabeth SA Secondary Schools Championships, Port Elizabeth - U16 Events
400m	58.13	-	Feb 9	Durban - U16 Events
100m	12.13	-0.1	Feb 9	Durban - U16 Events

2012

8 performances

Discipline	Result	Wind	Date	Competitions
200m	25.62	-0.5	Oct 13	Bloemfontein Grey/Orange Meeting, Bloemfontein - U15 Events
100m	12.48	+3.4	Oct 13	Bloemfontein Grey/Orange Meeting, Bloemfontein - U15 Events
200m	25.58	-0.8	Mar 31	Germiston South African U16 Championships, Germiston
200m	25.62	-3.0	Mar 31	Germiston South African U16 Championships, Germiston
100m	12.24	+2.2	Mar 30	Germiston South African U16 Championships, Germiston
200m	25.36	+7.2	Mar 30	Germiston South African U16 Championships, Germiston
100m	12.32	+1.8	Mar 29	Germiston South African U16 Championships, Germiston
100m	12.52	+0.6	Mar 29	Germiston South African U16 Championships, Germiston

FAQ

Frequently asked questions

What is Cassidy Williamson's 100 m personal best?

Cassidy Williamson's 100 m personal best is 11.31, set on Mar 16, 2018 in Pretoria (RSA).

Which events does Cassidy Williamson compete in?

Cassidy Williamson competes in the 100 m and 200 m.

How did Cassidy Williamson perform in 2021?

2021 season best: 12.00, set on May 22, 2021 in Bestmed Tuks Stadium, Pretoria (RSA).