Seiko Countdown90d 18h 15m 10s
World Athletics U20 Championships Nairobi21
  • Heat 1
  • Heat 2
  • Heat 3
  • Summary
Phase Summary
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First 2 in each heat (Q) and the next 2 fastest (q)
Summary
Pos
Rank
Heat
BibCountryAthlete
Mark
Details
1
1
3
539JAM
49.77
Q
2
2
3
901USA
50.25
Q
3
1
2
530IVB
50.49 SB
Q
4
1
1
836TUN
50.82 NU20R
Q
5
3
3
568JPN
50.84 PB
q
6
4
3
186BRA
50.86
q
7
2
1
567JPN
50.95
Q
8
5
3
137AUT
51.04 PB
9
2
2
218CHN
51.25
Q
10
6
3
346FRA
51.35
11
3
2
532JAM
51.38 PB
12
3
1
473IND
51.54
13
4
1
778SEY
51.64
14
5
1
526ITA
51.70
15
6
1
239CRO
51.82 PB
16
4
2
623LAT
51.89 PB
17
5
2
148BAR
52.22
18
7
1
222CHN
52.28
19
6
2
602KOR
52.57
20
7
3
803SWE
52.79
21
8
1
640MAR
53.49
22
8
3
257CZE
53.49
23
7
2
196CAN
53.85
2
766RSA
DNF
2
457IND
DQ R163.3(a)