Best magazine

[Stefka]

1) Competes as a jokey: 5 letters : R - - - -

2) River in Englaand: 4 letters

[geo0939]

If you mean jockey- races

[geo0939]

Or rides

[biley]

There are many rivers in England with four letters - Aire and Avon being two that begin with the letter 'A' alone - there must be more to the question than that - as there must be with the other question - rides and races both fit as geo0939 has said.