There is no record time for the 50 yard dash by a 12 year old. The average time as of May 10, 2014 is 6-7 seconds.
i did 6.7
Bob Hayes has the world record in the 100 yard dash. This record was set in the year 1963. This is a separate race from the 100 meter dash.
my brother goat sets the record for best 40 yard dash time and its 4'01
The record for an electronically-timed 100-yard dash is 8.33 seconds, set on June 16, 2010, by lance awesome in Pasadena, texas.
Bob Hayes has the world record in the 100 yard dash. This record was set in the year 1963. This is a separate race from the 100 meter dash.
The 40 yard dash is not an IAAF recognized event, therefore no official record exists. Unofficially, Darrell Green holds the fastest time of 4.08. That time has never been verified. His official time was 4.15. The fastest verified time in the 40yd dash is 4.12 by Bo Jackson. Ref: http://www.gridironstuds.com/blog/the-fastest-40-yard-dash-ever/
4.0 30 yd dash
Jackson Ortolano a time of: 15.12
The NFL's fastest official 40 yard dash time was 4.25 seconds by cornerback Fabian Washington.
He ran a time of 4.25 in the 40 yard dash.
Marita Koch
4.5