What categories are there in the Zurich Marató Barcelona?

The categories are as follows:
– Under-23: 18-22 years old
– Senior: 23-34 years old
– Master 35: 35-39 years old
– Master 40: 40-44 years old
– Master 45: 45-49 years old
– Master 50: 50-54 years
– Master 55: 55-59 years
– Master 60: 60-64 years
– Master 65: 65-69 years
– Master 70: 70-74 years
– Master 75: 75 and over