Muay Thai & K1 Kickboxing Gym in Weymouth, Dorset VALHALLA MARTIAL ARTS

Valhalla is a not-for-profit fighting gym in Weymouth led by professional coaches & volunteers — train Muay Thai, K1 Kickboxing, Brazilian Jiu-Jitsu, Wrestling & MMA in a martial arts family built on discipline, community and respect.

Our Story

Forged In Weymouth, Built On Family

Valhalla Martial Arts was founded in 2018 with a vision to create the best facilities possible, with the best coaches possible. What started as one man's ambition has grown into a martial arts family — a welcoming, inclusive gym where beginners, competitors and everyone in between train side by side.

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Expert Coaching

Our team of highly qualified, experienced coaches is dedicated to personalised guidance, backed by a genuine passion for martial arts.

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Inclusive Community

A welcoming, supportive environment where every member — whatever their age or ability — becomes part of the Valhalla family.

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Diverse Training

Specialising in Muay Thai, with dedicated classes in K1 Kickboxing, Brazilian Jiu-Jitsu, Wrestling and MMA.

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Holistic Approach

Training builds more than fitness and self-defence — it develops mental resilience, discipline and personal growth.

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Competitive Pathway

For those who want to test themselves, we support members competing at every level with dedicated fight coaching.

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Not-For-Profit

Run by professional coaches and volunteers who put the gym and its members first — martial arts should be for everyone.

What We Train

Muay Thai, K1 Kickboxing & BJJ Classes In Weymouth

Muay Thai / K1 Kickboxing

Our flagship discipline — the art of eight limbs, from beginner fundamentals through to advanced fighter training.

Brazilian Jiu-Jitsu

Ground-fighting and submission grappling, run in partnership with Weymouth BJJ.

Wrestling / Glima

Takedowns, control and old-world grappling, blended into our MMA and open mat sessions.

MMA & Open Mat

Free-flow mixed martial arts practice for members to roll, spar and refine technique.

Kids & Teens Kickboxing / Muay Thai

Age-appropriate classes for ages 5–15, building confidence, fitness and discipline early.

Strength & Conditioning

Dedicated S&C sessions to build the power, endurance and resilience behind every fighter.

Weekly Schedule

Class Timetable

No classes run Friday or Saturday. Times below are correct as of our latest schedule update.

Monday

  • 16:30Kids Kickboxing / Muay ThaiAges 5–9
  • 17:30Teens Kickboxing / Muay ThaiAges 10–15
  • 19:00Adults Beginners Muay Thai / K1
  • 20:00Advanced / Fighters Muay Thai / K1

Tuesday

  • 18:30Strength & Conditioningwith Millie

Wednesday

  • 14:00Open Mat
  • 16:30Kids Kickboxing / Muay ThaiAges 5–9
  • 17:30Teens Kickboxing / Muay ThaiAges 10–15
  • 18:30MMA / Glima (Wrestling) / Open Mat
  • 20:00Brazilian Jiu-Jitsuwith Weymouth BJJExtra Cost

Thursday

  • 19:00Adults Beginners Muay Thai / K1
  • 20:00Advanced / Fighters Muay Thai / K1

Sunday

  • 08:00No-Giwith Weymouth BJJExtra Cost
  • 10:00Kids / Teens Muay Thai / K1

Classes marked Extra Cost are run by external instructors (Weymouth BJJ) and are subject to additional charges for Valhalla members.

Membership

Our Prices & Plans

Drop-In / Pay As You Go

£2Kids
£10Adults

Turn up and train, no commitment required.

Open Mat

£5Per session

Free-roll and drill at your own pace.

*** All Weymouth BJJ classes are extra to all members ***

Private 1-2-1 Coaching

For 1-2-1 sessions, please contact one of our coaches directly:

Lee Grinrod Valhalla Head Coach
Kellan Sandrey Junior Coach

Message the coaches or the gym directly via Facebook to arrange a private session.

Meet The Team

Our Coaches

Lee, Head Coach at Valhalla Martial Arts Weymouth, teaching Muay Thai and K1 Kickboxing

Lee

Director & Head Coach

Former heavyweight world champion with 18 fights (15 wins, 2 losses, 1 no contest). 20 years training Muay Thai and K1 kickboxing before an injury led him into coaching.

Dean, Founder of Valhalla Martial Arts, the Weymouth fighting gym he opened in 2018

Dean

Founder

35 years in martial arts spanning kickboxing, BJJ, wrestling and MMA, including two years coaching MMA for the British Army. Opened Valhalla in 2018.

Mark "Stretch" Sandrey, Director and Gym Manager at Valhalla Martial Arts Weymouth

Mark "Stretch" Sandrey

Director & Gym Manager

Handles memberships, payments and facility upkeep — the glue that holds Valhalla together, right down to the custom-built ring.

Sawyer Whitey, Director and Gym Manager, coaching Muay Thai and K1 Kickboxing at Valhalla Weymouth

Sawyer Whitey

Director & Gym Manager

Trains in Muay Thai, K1, BJJ and Norwegian Laustak wrestling. Now qualified to teach beginner to intermediate levels.

Aldo D'Arrigo, Director and Muay Thai Coach at Valhalla Martial Arts Weymouth

Aldo D'Arrigo

Director & Muay Thai Coach

Coaches kids, teens and beginners. Background in fencing and Taekwondo, with a Master's in Applied Sports and Exercise Medicine.

Kellan Sandrey, Junior Coach and WKO Junior World K1 Champion at Valhalla Martial Arts Weymouth

Kellan Sandrey

Junior Coach

WKO Junior World Champion under K1 rules. Training in Muay Thai and K1 since age 7, now coaching teens.

All coaches are DBS checked and first aid trained.

Find Us

Location & Contact

Valhalla Martial Arts

Weymouth, Dorset, DT4 7DA
United Kingdom

No classes run Friday or Saturday — see the full timetable above.

Ready To Train?

Join The Valhalla Family

Drop in for a class, or message us on social media to find the right plan for you.