Not sure of 100m time, but aware that he clocked 40.1 kms/per hour (25mph). source Ben Ryan England coach.
I do not have specific information on Jason Robinson's 100m time. However, he is a former professional rugby player known for his speed and agility, so he likely had a competitive time in the 100m.
the fastest time is 35.67 seconds.
100m freestyle Michael phelps 46.65 seconds
9.69s
no not at all
1976 hasley crawford time
9.58 by Usain Bolt
His best 100m time was 9.87s
about 16.81
yes
Discipline
Maurice Greene with a time of 9.87.