200 meters in 36 seconds is equivalent to a speed of approximately 18.18 miles per hour.
(40 meters) per (ten seconds) is 8.94774517 miles per hour
36.466 miles per hour
400 meters in 43.18 seconds equates to an average speed of 20.72 miles per hour.
100 meters/14.00 seconds (1 mile/1609 meters)(3600 seconds/1 hour) = 15.982 miles per hour
100 meters in 12 seconds is 18.64 miles per hour.
100 meters in 11.8 seconds = 18.96 miles per hour.
100 meters in 9.69 seconds is 23.3 miles per hour.
Traveling 100 meters in 80 seconds equates to an average speed of 2.79 miles per hour.
Running 100 meters in 6.13 seconds is equivalent to running at a speed of approximately 22.66 miles per hour.
100 meters per 4.69 seconds equates to 47.7 miles per hour.
(200 meters / 19.3 seconds) x (3,600 seconds/hour) / (1,609.344 meters/mile) = 23.18 mph (rounded)