1975 500cc National Races

15th March - Oulton Park

23rd March - Brands Hatch

23rd March - Mallory Park

31st March - Cadwell Park

13th April - Brands Hatch

25th May - Snetterton

15th June - 4 Strokes - Cadwell Park

Ted Andrew Trophy - 6th July - Olivers Mount

13th July - Snetterton

Gold Trophy - 7th September - Olivers Mount

12th October - Oulton Park