11.99 seconds because 100 yard dash is 91 meters.
100 meters/91 meters = 1.09
Then do 11 seconds x 1.09 = 11.99 seconds.
If you round it, you basically be getting a 12 second 100 meter dash.
An 11.0-second time in 100 meters is equivalent to 6.035 seconds for a 60-yard dash.
9.70, at the same average speed
It converts to 12.7 seconds for 100 meters.
4.7 seconds
12.03s
10.2 seconds
A 12.5-second 100m equates to a time of 4.572 seconds in the 40-yard dash.
A 220 yard dash time of 21.80 seconds translates to a time of 21.67 seconds for 200 meters.
7.2x1.54= 11.08 or 7.2x2= 14.4-3= 11.04
It would be 23.3
75 yards is 68.58m so to convert 8.3s for 75 yards to 70m: = 70/68.58 x 8.3 = 8.47s
19.2839 mph
Usain Bolt holds the world record at 9.69 seconds for the 100 meter dash. Usain Bolt holds the world record at 19.30 seconds for the 200 meter dash. Michael Johnson holds the world record at 43.18 seconds for the 400 meter dash. So I would say Usain Bolt.
An average time for a 14-year-old running the 50 meter dash is around 9 seconds. For a 100 meter dash, it would be about 13 seconds.
The men's world record in the 400 meter dash is 43.18 seconds. The men's world record in the 400 meter hurdles is 46.78 seconds. This is a difference of 3.60 seconds. The women's world record in the 400 meter dash is 47.60 seconds. The women's world record in the 400 meter hurdles is 52.34 seconds. This is a difference of 4.74 seconds.
It would convert to 10.5 seconds for 100 meters.
A 12 year old's average time for the 100 meter dash, should be about 15 or 16 seconds.