Guerrilla Fitness | CrossFit Montclair

About
Guerrilla Fitness | CrossFit Montclair is a CrossFit gym at 19 Elm Street, Montclair. It has a 4.9 rating from 102 Google reviews.
Prices, classes and amenities
Classes and training: CrossFit, strength training, conditioning, personal training, nutrition coaching.
Amenities: personal training, group classes, small group training, nutrition coaching.
From guerrillafitness.net, read October 29, 2026. Prices and offers change; confirm with Guerrilla Fitness | CrossFit Montclair.
Hours
| Monday | 5:30am to 6:30am, 7am to 9am, 9:15am to 10:15am, 12pm to 1pm, 5:30pm to 6:30pm |
|---|---|
| Tuesday | 5:30am to 6:30am, 7am to 9am, 9:15am to 10:15am, 12pm to 1pm, 5:30pm to 6:30pm |
| Wednesday | 5:30am to 6:30am, 7am to 9am, 9:15am to 10:15am, 12pm to 1pm, 5:30pm to 6:30pm |
| Thursday | 5:30am to 6:30am, 7am to 9am, 12pm to 1pm, 5:30pm to 6:30pm |
| Friday | 5:30am to 6:30am, 7am to 8am, 9:15am to 10:15am, 12pm to 1pm, 5:30pm to 6:30pm |
| Saturday | 7:30am to 10:30am |
| Sunday | 8am to 12:30pm |
Questions
- What are Guerrilla Fitness | CrossFit Montclair's opening hours?
- Guerrilla Fitness | CrossFit Montclair is open Mon to Wed 5:30am to 6:30am, 7am to 9am, 9:15am to 10:15am, 12pm to 1pm, 5:30pm to 6:30pm, Thu 5:30am to 6:30am, 7am to 9am, 12pm to 1pm, 5:30pm to 6:30pm, Fri 5:30am to 6:30am, 7am to 8am, 9:15am to 10:15am, 12pm to 1pm, 5:30pm to 6:30pm, Sat 7:30am to 10:30am, Sun 8am to 12:30pm. Hours can change on holidays; call ahead to confirm.
- Is Guerrilla Fitness | CrossFit Montclair open on Sundays?
- Yes, 8am to 12:30pm on Sundays.
- Where is Guerrilla Fitness | CrossFit Montclair located?
- Guerrilla Fitness | CrossFit Montclair is at 19 Elm St, Montclair, NJ 07042.