is 42 seconds a good 300 meter girls time for a 17 year old
36 or 37 is a good time
Any time under 40 seconds is a good time for the 300 Meter Intermediate Hurdles for high school boys.
They would not finish 300 metre because they would have an asthama attack.
Under 45 secnods is good
His pace is 8.4 miles per hour.
51.62 seconds.
My daughter ran a 52.06 in the 300m hurdles, I think maybe this a good time probably even for a high school girl.
300 meter = 0.186411 mile
Assuming you don't run any faster in the 300m. 3/4x (time run)=300m time
500 x 300 = 1500 square meters
1,000 meter = 1 kilometer 300 meter = 0.3 kilometer