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PHYS1.42× ▲ +42%OUTC1.29× ▲ +29%BGWL1.23× ▲ +23%SAM1.23× ▲ +23%VGA1.23× ▲ +23%HERO1.18× ▲ +18%FCSP1.18× ▲ +18%EMPR1.18× ▲ +18%BXBB1.16× ▲ +16%BDRH1.16× ▲ +16%1REP1.16× ▲ +16%PLBC1.16× ▲ +16%BTSC1.1× ▲ +10%CMDO1.1× ▲ +10%ATL1.04× ▲ +4%BBC1.04× ▲ +4%HALT1.04× ▲ +4%ACK1.02× ▲ +2%CHM1.02× ▲ +2%BRBB0.99× ▼ −1%BWS0.99× ▼ −1%CLSB0.99× ▼ −1%EWLC0.99× ▼ −1%BNKR0.93× ▼ −7%STRA0.91× ▼ −9%1RPS0.87× ▼ −13%XZRH0.82× ▼ −18%KRPR0.82× ▼ −18%PWRH0.82× ▼ −18%PURO0.82× ▼ −18%AORT0.76× ▼ −24%BSTR0.75× ▼ −25%KDS0.75× ▼ −25%CNTR0.73× ▼ −27%DNST0.72× ▼ −28%GNSS0.71× ▼ −29%GIGA0.71× ▼ −29%MFLX0.71× ▼ −29%MSCL0.71× ▼ −29%ZONE0.71× ▼ −29%XLVR0.7× ▼ −30%DAVD0.7× ▼ −30%XBCN0.65× ▼ −35%IRON0.65× ▼ −35%UPG0.65× ▼ −35%REMG0.6× ▼ −40%RUNE0.58× ▼ −42%YRKY0.56× ▼ −44%HURT0.56× ▼ −44%FPMM0.46× ▼ −54%ONAR0.46× ▼ −54%WKSP0.46× ▼ −54%3SPC0.4× ▼ −60%EQNX0.36× ▼ −64%GYMB0.36× ▼ −64%REED0.36× ▼ −64%NUFF0.36× ▼ −64%VACT0.36× ▼ −64%FFRS0.33× ▼ −67%CLVR0.3× ▼ −70%HPLC0.3× ▼ −70%METR0.3× ▼ −70%PURE0.3× ▼ −70%ASPR0.27× ▼ −73%DLLY0.27× ▼ −73%FLOW0.27× ▼ −73%KLAY0.27× ▼ −73%ACTV0.26× ▼ −74%CMG0.26× ▼ −74%DIR0.26× ▼ −74%USIN0.24× ▼ −76%ANYT0.23× ▼ −77%FITX0.23× ▼ −77%JIMS0.23× ▼ −77%ORBL0.23× ▼ −77%MCFT0.23× ▼ −77%NEON0.23× ▼ −77%SUPR0.23× ▼ −77%TGG0.23× ▼ −77%UPDT0.23× ▼ −77%VIVA0.23× ▼ −77%BSFT0.18× ▼ −82%FPRK0.18× ▼ −82%KSER0.13× ▼ −87%1RBL0.11× ▼ −89%BRRY0.11× ▼ −89%F450.11× ▼ −89%
UPGHybrid strength · Boulogne-Billancourt · Paris

Ultimate Power Gym

Signature trait: Powerbuilding, around the clock

0.65×
▼ −35% vs par Tier B · Respectable Rank #45 of 87
UPG 0.65×
FDCBAS
Log scale. Each tick is a listing; Ultimate Power Gym sits between Rem-Gym and The Iron Club.

Analyst note

Boulogne's self-declared first 100% powerbuilding gym, open 24/7. Half powerlifting, half bodybuilding, entirely unbothered by the cardio section.

Honest training with a few comforts. The number mostly stands.

B
Rating: RespectableHonest training with a few creature comforts.

The facts

Address
63 B rue de Sèvres, 92100 Boulogne-Billancourt
Open in OpenStreetMap
Type
Hybrid strength
Website
ultimatepowergym.com
Instagram
@ultimatepwrgym
Chalk
Not published
Open 24/7
Yes
Notable
Described (via its own marketing) as Paris's first 100%-powerbuilding gym.
Specialties
  • powerbuilding (powerlifting + bodybuilding hybrid)

How the 0.65× is built

Five pillars from the facts above, weighted and combined by the published rubric. Pillars marked est. aren't published by the gym and use the default for its type.

Iron quality est.5/10

Competition-grade kit in the sourced equipment list: calibrated plates, platforms, specialty bars, strongman implements, premium machine lines.

Chalk policy est.6/10

From the gym's published rules: allowed 10, liquid only 5, banned 0.

Strength focus7/10

What the gym is built for: strength clubs 10, bodybuilding 8, hybrid 7 … HIIT studios 1.

Pedigree3/10

Federation affiliation, notable athletes and history, and how long it has been going.

Comfort0/10

Saunas, spas, pools, lounges, cafés. Counts against the multiplier.

What your lifts are worth here

Gym multiplier × lift honesty. Standard claims on the left, the truth on the right.

Common lifts converted at Ultimate Power Gym
LiftClaimedReal
Bench Press (free bar)ego factor 1.00×100 kg65 kg
Back Squat (full depth)ego factor 1.00×140 kg91 kg
Deadliftego factor 1.00×180 kg117 kg
Overhead Pressego factor 1.05×60 kg41 kg
Hip Thrustego factor 0.70×160 kg72.8 kg
Leg Pressego factor 0.25×300 kg48.8 kg

Try your own

Real, Ultimate Power Gym-adjusted
65 kg
—
Open in the full calculator →

Exchange rates

What a 100 kg bench at Ultimate Power Gym is worth elsewhere: the claim you'd need at each gym to match it. To match a 100 kg Ultimate Power Gym bench at Basic-Fit, you'd need to claim 361.1 kg.

Physical Culture45.8 kgPHYS · 1.42× · LondonSociété Athlétique Montmartroise52.8 kgSAM · 1.23× · ParisBrussels Barbell56 kgBXBB · 1.16× · BrusselsAC Heros Berlin55.1 kgHERO · 1.18× · BerlinCEM Bac de Roda Power Hub56 kgBDRH · 1.16× · BarcelonaOutcast Strength System50.4 kgOUTC · 1.29× · ZurichPureGym216.7 kgPURE · 0.3× · chainMcFit282.6 kgMCFT · 0.23× · chain

Around Paris

Where Ultimate Power Gym sits among Paris's gems. See the whole city →

Listings ranked near Ultimate Power Gym
#GymTierMultiplierSignature trait
4 Cachan Haltérophilie-MusculationCHM
Cachan · Paris
 S 1.02× FFHM club, southern suburbs
5 Gigagym Paris 13GIGA
Paris 13e
 A 0.71× 1,400 m² of machines
6 CrossFit LouvreXLVR
Paris 1er
 A 0.7× Platforms by the Opéra
7 Ultimate Power GymUPG
Boulogne-Billancourt · Paris
 B 0.65× Powerbuilding, around the clock
8 Rem-GymREMG
Paris 19e/20e border
 B 0.6× Serge Nubret's old floor
9 RuneRUNE
Paris 10e
 B 0.58× Sports but social club
10 Fitness Park Paris MontmartreFPMM
Paris 18e
 C 0.46× An Eleiko corner in a budget chain

Sources

Where every fact on this page comes from. Last checked 25 September 2026.

  1. ultimatepowergym.comconcept, 24/7 hours, powerbuilding positioning
  2. annuaire.petitesaffiches.frregistered business address confirmation, Boulogne-Billancourt

Spotted something wrong, or run this gym and want a change? Get in touch with a source and we'll fix it.