two, when he was born he ended up having two tails like my cat had a baby with 6 legs... creepy!
He probably was supposed to have a twin, but they morphed together in their mother's womb except for their tails, therefore Tails possesses his tail an the tail of his sibling that never was....
Assuming you mean "What is the fastest mile ever run?" The record had been lowered to 3:43.13, by Hicham El Guerrouj of Morocco in 1999.
by moving arms and staying focused
On Mobius, the future earth.