From USSF Referee Program: Fitness Test Updates for Grades 6 and Above
New fitness testing standards have been issued for Grades 6 and above. Please review each grade’s certification requirements for further information. For grades 5 and above, please note that the interval test for both tracks is now conducted in four runs per lap instead of two runs per lap. There is now a third test for Assistant Referees, the CODA test, and the sprints for assistant referees is now 30m, different from the 40m for referees.