They all overlap somewhat in the Midwest , although none of the organizations are restricted geographically and , indeed , the IKF sanctions some races in the Northeast .
Basically , IKF covers the western half of the United States , WKA covers the eastern half .
WKA all overlap somewhat in the Midwest , although none of the organizations are restricted geographically and , indeed , the IKF sanctions some races in the Northeast .
Basically , IKF covers the western half of the United States , WKA covers the eastern half .