Lasses gym
Welcome to Lasses Gym, the ultimate fitness destination located in the heart of Moss, Norway. Established in 2004 by seasoned personal trainer Lasse Edvardsen, our facility combines two decades of coaching expertise with state-of-the-art functional fitness equipment. As an official HYROX partner gym, we offer specialized conditioning programs, including dedicated Erg courses designed to elevate your endurance and strength. We pride ourselves on cultivating an inclusive, motivating community where everyone from beginners to elite athletes can thrive. With flexible 24/7 access and no long-term lock-in contracts, achieving your personal best has never been more accessible.
Official HYROX Gym
Train with the exact equipment and program structure used in global HYROX fitness races.
24/7 Club Access
Your fitness journey shouldn't wait. Enjoy round-the-clock access every single day of the year.
Expert Coaching
Benefit from personal training and group courses led by industry veterans.
Lasse Edvardsen
Founder & Head Personal Trainer
Lasse founded Lasses Gym in 2004 to bring his vision of high-quality personal training to Moss. With over 20 years of experience, he specializes in functional fitness, HYROX preparation, and customized lifestyle transformations.
Morten, 34 yrs
"Lasses Gym has an incredibly welcoming atmosphere. The HYROX classes and specialized coaching have completely transformed my fitness levels, and the 24/7 access fits my busy schedule perfectly."
Camilla, 29 yrs
"Highly recommended gym in Moss! It has top-tier equipment, an amazing community, and Lasse really knows how to motivate you to reach your goals."
HYROX & Functional Training Zone
Equipped with sleds, rowers, SkiErgs, and heavy-duty turf tracks designed specifically for functional fitness and HYROX competition preparation.
Strength & Free Weights Area
A comprehensive space featuring premium barbells, dumbbells, power racks, and plate-loaded machines to support heavy lifting and strength gains.
Cardio Deck
Includes top-of-the-line treadmills, stationary bikes, and specialized ergometers for peak cardiovascular endurance training.
HYROX & Erg Course
A specialized training program focusing on ergometer mastery (Row/Ski) and standard HYROX movement patterns to prepare athletes for upcoming races.
1-on-1 Personal Training
Tailored training and nutrition plans directly under the supervision of gym founder Lasse Edvardsen to fast-track your health goals.
HYROX Prep
Préparation aux compétitions HYROX
Ergometer Technique Course
Specialized class
Functional Strength & Conditioning
Specialized class
Group Cardio Circuit
Entraînement cardiovasculaire haute intensité
Strengths
- 24/7 Total Access - Train exactly when it suits your schedule, day or night, with full facility access.
- HYROX Partnered - Gain access to genuine HYROX training structures, workshops, and certified gear.
- No Contract Binding - Enjoy the freedom of monthly gym membership options without any long-term contracts.
Watch points
- Busy Peak Hours - Popular functional group sessions can occasionally limit equipment availability during weekday evenings.
- No Spa Facilities - The club focus is highly performance-based, meaning there are no sauna or steam room installations.
HYROX Prep
An intense, high-energy group workout simulating the physical demands of an official HYROX race. You will work on standard movements like sled pushes, burpee broad jumps, wall balls, and running intervals to build elite-level stamina.
Objective: Conditioning & Strength Endurance
Ergometer Technique Course
Learn the proper mechanics of the Concept2 Rower and SkiErg. This course is designed to maximize your power output while conserving energy, helping you slash times in your fitness workouts.
Objective: Technical Skill & Cardio Power
Functional Strength & Conditioning
A structured training session utilizing free weights, kettlebells, and bodyweight exercises to build functional strength that carries over directly to daily life and athletic goals.
Objective: Total Body Strength
Monday
Wednesday
Saturday
Lasses Gym is ideally situated on Sjøgata, close to the beautiful waterfront of Moss. The area blends local businesses, residential neighborhoods, and historical coastal spots, offering an energetic yet accessible environment.
Public transport
The gym is easily reachable via local bus lines stopping along Sjøgata and is only a short walk from the main Moss railway station.
Parking
Ample free on-site parking is available directly outside the main entrance for gym members.
Landmarks
Approach
Our philosophy centers on longevity, functional capability, and real-world strength. We believe in preparing your body for any challenge life throws at it, whether that is a global fitness competition or everyday activity.
Methodology
We utilize evidence-based personal training methodologies, focusing heavily on proper movement patterns, progressive overload, and high-intensity cardiovascular conditioning.
Progression
Members are guided through periodic assessments, structured course intervals, and tailored training adjustments to ensure consistent, injury-free physical advancement.
Standard 24/7 Membership
- 24/7 Gym Access
- No Long-Term Binding Contract
- Access to Free Weight & Cardio Zones
HYROX Premium Plan
- 24/7 Gym Access
- Priority booking for HYROX & Erg Courses
- Complimentary initial fitness assessment
First visit
When visiting Lasses Gym for the first time, please coordinate with our staff via email or phone for a dedicated orientation. We will show you around the 24/7 facility, explain the safety systems, and register your personalized keycard.
Required equipment
Please bring clean indoor athletic shoes, comfortable gym attire, a personal sweat towel, and a reusable water bottle. Outdoor shoes are strictly prohibited inside the workout zones.
What a typical session looks like
A typical session starts with a structured 10-minute dynamic warm-up, followed by the main strength or conditioning block, and finishes with a dedicated cool-down and mobility stretch.
HYROX & Cardio
Strength & Conditioning
HYROX Local Simulation
An internal community-led competition simulating the official HYROX event sequence, allowing members to test their stamina and push their limits.
Ergometer Workshop
An intensive technical clinic focusing entirely on rowing and skiing efficiency under the expert guidance of Lasse Edvardsen.
Lasse Edvardsen
Lasse has dedicated his entire adult life to the fitness industry. After launching Lasses Gym in 2004, he has coached hundreds of clients to success, focusing on athletic performance, robust conditioning, and functional habits.
HYROX Norway
Lasses Gym is an officially affiliated HYROX training club, guaranteeing authentic equipment configurations and program standards.
Membership starts at 449,- NOK per month with no lock-in contract. Standard personal training and specialized course fees apply separately.