Position	Rider	Race	Class	Date
24	Mark Musselman	Motocross Spring Creek Motocross	125MX	August 14, 1988
22	Mark Musselman	Motocross Kenworthy's Motocross Park	125MX	July 31, 1988
24	Ted Van Nest	Motocross Broome-Tioga Sports Center	500MX	July 10, 1988
26	Michael Harnden	Motocross Broome-Tioga Sports Center	500MX	July 10, 1988
9	Mark Musselman	Supercross East Rutherford	125ESX	May 14, 1988
24	Mark Musselman	Motocross Lake Sugar Tree MX Park	125MX	May 1, 1988
13	Mark Musselman	Supercross Tampa	125ESX	April 23, 1988
6	Mark Musselman	Supercross Pontiac 2	125ESX	April 10, 1988
20	Mark Musselman	Supercross Pontiac 1	125ESX	April 9, 1988