4 days
The standard for a 13 year old girl is around 12-13 seconds. It also depends on how good that girl is. I am in Track and Field and I do 100 meter sprints. My fastest time is 13.54 and I am 13. Most girls get around that time.
17.22
My 7 year old runs in Under 8s her 100m time is 21.02
19.30 seconds
The fastest child on earth is 7.4
Between 3-5 secs depending on your speed
100m - 9.69s 200m - 19.30s
The world junior 100 meter sprint record time is 9.97 seconds set by Trayvon Bromell of the United States in 2015.
11-12 seconds
usain bolt has the fastest time with 9.58 which he got in 2009 at the world championships in Berlin
You can but your time would actually be slower than if you just sprint through. The best way is to lean as you break the finish line.
the time usain bolt the fastest man in the world was 9.58 seconds in the 100 meter sprint