Можно даже как в power lifting masters, отдельно категории

MASTER 1: 40 years to and including 44 years of age
MASTER 2: 45 years to and including 49 years of age
MASTER 3: 50 years to and including 54 years of age
MASTER 4: 55 years to and including 59 years of age
MASTER 5: 60 years to and including 64 years of age
MASTER 6: 65 years to and including 69 years of age
MASTER 7: 70 years to and including 74 years of age
MASTER 8: 75 years to and including 79 years of age
MASTER 9: 80 years upward