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Strength & conditioning · Petralona, Athens

Find your
reason.

Strength & Conditioning in Petralona, on your terms. Join a group workout or train independently in our 24/7 Open Gym, at your own pace, day or night.

Open 24/7 with an active subscription, or by advance booking during working hours
A power rack with stacked 20 kg and 10 kg plates and a dumbbell rack against a cream plaster wall
An athlete in a lunge with a dumbbell in the bright gym
A member training on a cable machine beside a large window
A treadmill and a rowing machine by the window in the bright gym
Lift.
Condition.
Reset.
Strength, conditioning and a calm space to do it in.
What we do

Three ways in. Choose how you want to train.

Metal sign on the wall reading 24/7 gym, number 36

24/7 Open Gym

Your own space to train at any hour. Never more than three people at once, quality equipment and no waiting. Members book a slot in the Fitbook app and unlock the door from their phone.

Drop-in €20 · Memberships from €50 a month
An athlete in a lunge with a dumbbell in the bright gym

Strength & Conditioning groups

Coached sessions in groups of up to six: lift, carry, push, pull. Scaled to you, one focused hour at a time.

First session free · then from €15 a class
A member working on a cable machine with focus

Personal sessions

One-to-one or in pairs. Attentive, technique-first coaching and a plan shaped around your body and your goals.

€30 solo · €40 for two
The space

Designed to feel good the moment you walk in.

@reason.concept
The Reason gym floor with racks, benches and a mirror wall under warm cove lighting
A member training on a cable machine beside a large window
Green plants and wicker baskets with a framed Reason kettlebell mark on the wall
Concrete washbasin with copper pipes and hanging plants beside the showers
Coffee machine, plant and capsules on a white cabinet
Racks of black dumbbells beneath an arched green-framed window
Our way

A small gym,
kept small
on purpose.

We train because we love it, outdoors as much as indoors, and with friends. The gym is set up the same way: simple, uncrowded and properly equipped.

Up to six

Group sessions never go above six people, so your coach can actually watch your technique.

Three at most

The Open Gym takes three people at a time, and it rarely fills up.

Book, then walk in

Members reserve a slot in Fitbook, tap the lock icon in the app, and the door opens.

Bring a friend

Tell us in advance and you can train together.

Pricing

Clear prices. No surprises.

Drop-in

A single 60-minute open gym session. Visiting Athens? You can also book a one-hour session on GetYourGuide or Airbnb.

Monthly · any time
4 sessions
€50
€12.50 per session · per month
8 sessions
€70
€8.75 per session · per month
12 sessions
€90
€7.50 per session · per month
Monthly · off-peak (23:00–07:00 & 13:00–16:00)
8 sessions
€50
€6.25 per session · per month
12 sessions
€70
€5.83 per session · per month
Commit and save
3 months
€170
24 sessions · €7.08 each
6 months
€300
48 sessions · €6.25 each
Lowest per session
Annual
€550
96 sessions · €5.73 each

Every open gym session is 60 minutes. Door access opens 15 minutes before your slot and closes 15 minutes after it ends.

Weekly schedule

Strength & conditioning groups.

This timetable is for coached group classes: sessions start on the hour, last about an hour, and have up to six people. Members book their spot in the Fitbook app. New here? Message us, your first group session is free. There are no group classes on Sundays, but the open gym is always there.

Monday
Morning
08:00 09:00 10:00 11:00 12:00
Evening
17:00 18:00 19:00 20:00
Tuesday
Morning
08:00 09:00 10:00 11:00 12:00
Evening
17:00 18:00 19:00 20:00
Wednesday
Morning
08:00 09:00 10:00 11:00 12:00
Evening
17:00 18:00 19:00 20:00 21:00
Thursday
Morning
08:00 09:00 10:00 11:00 12:00
Evening
17:00 18:00 19:00 20:00
Friday
Morning
08:00 09:00 10:00 11:00 12:00
Evening
17:00 18:00 19:00 20:00
Saturday
Morning
10:00 11:00 12:00 13:00
Open Gym
Every day, 24/7, no fixed timetable. Members book any slot in the Fitbook app.
Message us to join a class
Good to know

Questions, answered.

Can't find what you need? Message us on Instagram and we'll help.

Of course. Try the open gym with a single drop-in session, or join a group training session free before you choose a membership.

See what our members and visitors say about Reason.
Read reviews on Google
Book it your way

Find us wherever you are.

New here?
WhatsApp
Message us and we will set you up, including your free first group session.
Message us →
For members
Fitbook
Groups, Open Gym slots and your door key. Needs a subscription and an account.
Open Fitbook →
For visitors
GetYourGuide
Open gym access in Athens.
View listing →
For visitors
Airbnb
Open Gym Session in Athens.
View listing →
Find & review
Google
Directions, hours and reviews.
Open in Maps →
The blue Reason open gym poster on the wall: open gym, all hours, strength and conditioning groups

Come as you are.
Your first group session is free.

Book your session
Reason
Fitness Concept
Find us
Pandorou 36, Petralona
Athens 118 53, Greece
Open 24/7 with an active subscription
Say hi
@reason.concept
[YOUR EMAIL]
+30 698 564 2282
InstagramGoogleGetYourGuideAirbnb
© 2026 Reason Fitness Concept