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What we offer

Find something that works for you

Whatever your starting point or goal, there's a way to train with us. Every session is coached and scalable to your level.

CrossFit classes
Most popular

CrossFit Classes

Group classes built on the CrossFit methodology — metabolic conditioning, gymnastics and weightlifting. Build strength and endurance with workouts that are short on time but big on results.

Explore CrossFit Classes →
HYROX classes
New

HYROX

Functional strength, conditioning and endurance in one — running intervals paired with wall balls, rowing, lunges and more. No complex lifts or gymnastics, just a good sweat.

Try our HYROX classes →
A CrossFit Onen member holding a bar in the gymnastics class

Gymnastics

The gymnastics movements you see in CrossFit — pull ups, handstands and everything in between — with the coaching, progressions and practice to actually get them.

Explore Gymnastics →
Olympic lifting

Olympic Lifting

Focused work on the Snatch, Clean, Push-Press, Push-Jerk and Split-Jerk. New or developing, you'll be paired with a coach in a small group to refine efficient technique suited to your body.

Explore Olympic Lifting →
Open gym

Open Gym

Prefer to work through your own programming? Use our top-of-the-line equipment on your own schedule, with coaches on hand if you need them. Included with membership, or use a One Class Pass.

See memberships & passes →
Drop-in

Drop-In

In town or nearby, for work or play? Come work out with us and make us your gym home away from home. Arrive a few minutes early, check in at the front desk and jump into class.

See drop-in details →
Personal training
1-to-1

Personal Training

Our personal trainers learn everything about you and build a uniquely tailored plan — workouts for your individual needs, plus guidance on sleep and nutrition — to help you improve faster.

Explore Personal Training →
Remote coaching

Remote Coaching

Can't make it to the box every day? Train with Onen wherever you are, with programming and coaching support tailored to your goals and the equipment you have.

Learn more →
The Dairy Grind competition
★ Born at CrossFit Onen

Ready to compete?

5–6 September 2026St Tudy, CornwallTeams of 6

The Dairy Grind is our very own functional-fitness throwdown. Train with us, then put it to the test. Round up your six and earn your milk.

Visit thedairygrind.co.uk ↗

What's on

  • Two days of competition
  • Camping on site
  • Food, sauna & ice bath
  • Spectators free

Not sure which is right for you?

Come in for a free intro and we'll help you find your starting point.

Book a free trial