1985 saw the Grand Prix Series enter its fourth season. Jack Defreitas won his first Grand Prix Championship. Defreitas
would go on to win the overall title again in 1987. Julie Jiskra was the overall female champion. Grand Prix IV continued the
same race line-up as Grand Prix III had the previous year. This marked the first time the Grand Prix had the exact same race line-up
in consecutive years:
The 8K River Run
TCB 5K
Arkansas 20K
The Spa 10K