Boston Underground Strength Training
235 High Street #3, Waltham, MA, 02453
About this gym
Boston Underground Strength Training is a strength-focused facility in Waltham, MA, offering semi-private (up to 6 people) and private one-on-one coaching. The gym takes a simple, no-nonsense approach to strength training, keeping its facility equipped with only the essentials and pairing clients with highly-motivated coaches focused on steady, measurable progress. The gym was opened in September 2014 by owner Angel Jimenez, a Certified Strength & Conditioning Specialist (CSCS) and former U.S. Marine, with a primary focus on individual and group adult training as well as sports performance training for athletes across a variety of sports.
Classes offered
Class schedule
- Drop-in OKSemi-Private Training6:00 AM–9:00 AM · cap 18
- Drop-in OKSemi-Private Training4:00 PM–7:00 PM · cap 12
- Drop-in OKSemi-Private Training6:00 AM–10:00 AM · cap 18
- Drop-in OKSemi-Private Training4:00 PM–7:00 PM · cap 12
- Drop-in OKSemi-Private Training6:00 AM–9:00 AM · cap 18
- Drop-in OKSemi-Private Training4:00 PM–7:00 PM · cap 12
- Drop-in OKSemi-Private Training6:00 AM–10:00 AM · cap 20
- Drop-in OKSemi-Private Training3:30 PM–6:00 PM · cap 12
Membership & pricing
Semi-Private 1x/Week Package
Single-purchase package, train one day per week ($69/session).
Semi-Private 2x/Week Package
Single-purchase package, train two days per week ($59/session).
Semi-Private 3x/Week Package
Single-purchase package, train three days per week ($53/session).
Semi-Private 2x/Week - 3 Month Membership
Auto-renewing 3-month membership, train two days per week ($54/session).
3-month contract
Semi-Private 3x/Week - 3 Month Membership
Auto-renewing 3-month membership, train three days per week ($47/session).
3-month contract
Semi-Private 2x/Week - 6 Month Membership
Auto-renewing 6-month membership, train two days per week ($49/session).
6-month contract
Semi-Private 3x/Week - 6 Month Membership
PopularAuto-renewing 6-month membership, train three days per week ($43/session) - the lowest per-session rate offered.
6-month contract
Private Training 1x/Week Package
Single-purchase package, train one day per week ($135/session).
Private Training 2x/Week Package
Single-purchase package, train two days per week ($125/session).
Private Training 3x/Week Package
Single-purchase package, train three days per week ($115/session).
Hours
Reviews
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