2021 World Athletics U20 Championships – Women's 100 metres explained

The women's 100 metres at the 2021 World Athletics U20 Championships was held at the Kasarani Stadium on 18 and 19 August.^[1]

Records

Standing records prior to the 2021 World Athletics U20 Championships
World U20 Record		10.88	Dresden, East Germany	1 July 1977
Championship Record		11.03	Tampere Finland	12 July 2018
World U20 Leading		10.97	Miramar, United States	5 June 2021

Results

Heats

Qualification: First 4 of each heat (Q) and the 4 fastest times (q) qualified for the semifinal.^[2]

Wind:
Heat 1: +0.5 m/s, Heat 2: +0.5 m/s, Heat 3: +1.0 m/s, Heat 4: -0.1 m/s, Heat 5: -0.9 m/s

Rank	Heat	Name	Nationality	Time	Note
1	3			11.20	,,
2	4			11.50
3	1			11.59
4	3			11.59
5	2			11.65
6	2			11.65
7	1			11.71
8	5			11.75
8	4			11.75	,
10	1			11.75
11	4			11.75
12	3			11.80
13	2			11.80
14	3			11.84
15	3			11.85
16	4			11.86
16	2			11.86
18	1			11.88
19	5			11.88
20	4			11.91
21	5			11.93
22	5			11.98
23	2			12.00
24	4			12.01
25	1			12.02
26	2			12.04
27	3			12.05
28	5			12.10
29	1			12.14
30	5			12.15
31	1			12.16
32	2			12.19
33	4			12.30
34	3			12.39
35	5			12.66
36	3			12.91

Semifinals

Qualification: First 2 of each heat (Q) and the 2 fastest times (q) qualified for the final.^[3]

Wind:
Heat 1: 0.0 m/s, Heat 2: +0.3 m/s, Heat 3: -0.5 m/s

Rank	Heat	Name	Nationality	Time	Note
1	1			11.34
2	2			11.35
3	2			11.50
4	1			11.50
5	2			11.54	,
6	3			11.57
7	2			11.60
8	2			11.61
9	3			11.64	,
10	1			11.64
11	1			11.70
12	3			11.72
13	1			11.73
14	2			11.79
15	3			11.80
16	3			11.87
17	2			11.88
18	1			11.90
19	3			11.90
20	2			11.91
21	1			11.96
22	3			11.97
23	3			11.99
24	1			12.10

Final

The final was held on 19 August at 18:10.^[4]

Wind: -0.6 m/s

Rank	Lane	Name	Nationality	Time	Note
	5			11.09
	4			11.39
	7			11.51
4	6			11.53
5	9			11.54(.533)
6	2			11.54(.537)
7	3			11.67
8	8			11.76

Notes and References

1. Web site: 2021 World Athletics U20 Championships Nairobi Timetable. 19 August 2021. worldathletics.org.
2. Web site: 100 Metres Women − Round 1 − Summary. World Athletics. 18 August 2021. 19 August 2021.
3. Web site: 100 Metres Women − Semifinal − Summary. World Athletics. 18 August 2021. 19 August 2021.
4. Web site: 100 Metres Women − Final − Results. World Athletics. 19 August 2021. 19 August 2021.