1975 Lucas Oil AMA Pro Motocross Championship
Motocross Race Results
- Monster Energy AMA Supercross Championship
- AMA Pro Motocross Championship
- SuperMotocross World Championship
- FIM Motocross World Championship
- Progressive GNCC Racing
- Motocross of Nations
- FIM World Supercross Championship
- Australian Supercross Championship
- Women's Motocross Championship
- Monster Energy Cup
- MotocrossMotocross West September 1, 1975
- MotocrossOhio International Raceway August 24, 1975
- MotocrossCycle-Rama August 24, 1975
- MotocrossLake Sugar Tree MX Park August 17, 1975
- MotocrossMoto-Masters Park August 10, 1975
- MotocrossAppalachia Lake Park August 3, 1975
- MotocrossDelta Motorsport Park July 27, 1975
- MotocrossOmaha Moto Park July 13, 1975
- MotocrossMidland Motocross Park June 29, 1975
- Motocross
- MotocrossBaldwin Motocross Park June 8, 1975
- MotocrossOmaha Moto Park June 1, 1975
- Motocross
- Motocross
- Motocross