North Boulder Recreation Center:
All drop in per rec center pricing
Mondays 8:20
Wednesdays 9:00
Fridays 10:45

Block 1750.  1750 30th street (just north of Best Buy):
Drop in or punch pass
Tuesdays 9:00
Saturdays 10:00
Drop in $12, or buy an Ayre 5 pass for $50 - 10 pass for $100