{
  "schemaVersion": 1,
  "title": "West and Central London boxing clubs in AI answers, October 2026",
  "status": "frozen_point_in_time_research",
  "researchWindow": { "start": "2026-10-02", "end": "2026-10-03" },
  "design": "Purposive comparison of 20 London commercial boxing-led operators with a current paid adult group-class and one-to-one coaching route; questions weighted towards West and Central London, with Greater London comparisons. Not a census, demand estimate, training-quality ranking or bookings measure.",
  "measuredProducts": ["ChatGPT", "Gemini", "Google AI Overview"],
  "questionSet": { "total": 200, "scoredCore": 170, "exploratoryUmbrella": 30, "umbrellaExcludedFromRanking": true },
  "answers": {
    "listedFullSet": 1799,
    "nonemptyFullSet": 1663,
    "emptyFullSet": 136,
    "emptyAnswersProduct": "Google AI Overview",
    "nonemptyScoredCore": 1421,
    "nonemptyExploratoryUmbrella": 242,
    "coreByQuestionArea": [
      { "area": "London boxing category choices", "questions": 40, "nonemptyAnswers": 335 },
      { "area": "Neighbourhood and station discovery", "questions": 60, "nonemptyAnswers": 496 },
      { "area": "Beginner and training needs", "questions": 40, "nonemptyAnswers": 337 },
      { "area": "Personal training and pricing", "questions": 30, "nonemptyAnswers": 253 }
    ]
  },
  "countingRule": "Each numerator is the number of nonempty scored-core answers containing a contextually verified name for that operator. An answer can name multiple clubs; rates do not add to 100%. Repeated uses of one name inside one answer are one named answer. Confirmed lower bounds are used for displayed rates; unresolved same-name cases remain ranges. A named answer is not necessarily an endorsement.",
  "cohort": [
    { "rank": 1, "name": "BoxcleverLDN", "confirmedNamedAnswers": 392, "possibleNamedAnswersUpperBound": 396, "confirmedNamingRatePct": 27.6, "officialSite": "https://www.boxcleverldn.com/" },
    { "rank": 2, "name": "12x3", "confirmedNamedAnswers": 312, "confirmedNamingRatePct": 22.0, "officialSite": "https://www.12x3gym.co.uk/" },
    { "rank": 3, "name": "BXR", "confirmedNamedAnswers": 229, "confirmedNamingRatePct": 16.1, "officialSite": "https://www.bxrlondon.com/" },
    { "rank": 4, "name": "JAB Boxing Club", "confirmedNamedAnswers": 183, "possibleNamedAnswersUpperBound": 184, "confirmedNamingRatePct": 12.9, "officialSite": "https://jabboxing.club/" },
    { "rank": 5, "name": "Chiswick Boxing", "confirmedNamedAnswers": 114, "confirmedNamingRatePct": 8.0, "officialSite": "https://www.chiswickboxing.co.uk/" },
    { "rank": 6, "name": "12 Rounds Boxing", "confirmedNamedAnswers": 112, "confirmedNamingRatePct": 7.9, "officialSite": "https://12roundsboxing.co.uk/" },
    { "rank": 7, "name": "Miguel's Boxing Gym", "confirmedNamedAnswers": 100, "confirmedNamingRatePct": 7.0, "officialSite": "https://miguelsboxinggym.co.uk/" },
    { "rank": 8, "name": "State of Mind Fitness", "confirmedNamedAnswers": 95, "confirmedNamingRatePct": 6.7, "officialSite": "https://www.stateofmindfitness.com/" },
    { "rank": 9, "name": "Ringtone Boxing Gym", "confirmedNamedAnswers": 81, "confirmedNamingRatePct": 5.7, "officialSite": "https://ringtoneboxinggym.com/" },
    { "rank": 10, "name": "Moreno Boxing", "confirmedNamedAnswers": 79, "confirmedNamingRatePct": 5.6, "officialSite": "https://morenoboxing.co.uk/" },
    { "rank": 11, "name": "The Box London", "confirmedNamedAnswers": 75, "confirmedNamingRatePct": 5.3, "officialSite": "https://www.boxlondon.london/" },
    { "rank": 12, "name": "Legends Boxing Gym", "confirmedNamedAnswers": 53, "confirmedNamingRatePct": 3.7, "officialSite": "https://www.legendsboxing.co.uk/" },
    { "rank": 13, "name": "BLAST Fit", "confirmedNamedAnswers": 42, "confirmedNamingRatePct": 3.0, "officialSite": "https://www.blastfit.co.uk/" },
    { "rank": 14, "name": "Mickey's Boxing Gym", "confirmedNamedAnswers": 32, "confirmedNamingRatePct": 2.3, "officialSite": "https://www.mboxing.co.uk/" },
    { "rank": 15, "name": "Bodyjunkies", "confirmedNamedAnswers": 27, "confirmedNamingRatePct": 1.9, "officialSite": "https://bodyjunkies.co.uk/" },
    { "rank": 16, "name": "Durrant's Gym Performance", "confirmedNamedAnswers": 26, "possibleNamedAnswersUpperBound": 28, "possibleRankRange": [15, 16], "confirmedNamingRatePct": 1.8, "officialSite": "https://www.durrantsgymperformance.com/" },
    { "rank": 17, "name": "Trenchtown Boxing Gym", "confirmedNamedAnswers": 11, "confirmedNamingRatePct": 0.8, "officialSite": "https://www.trenchtownboxing.com/" },
    { "rank": 18, "name": "Clinton McKenzie's Boxing & Fitness Club", "confirmedNamedAnswers": 10, "confirmedNamingRatePct": 0.7, "officialSite": "https://www.clintonmckenzie.com/" },
    { "rank": 19, "name": "Heathrow Boxing Club", "confirmedNamedAnswers": 9, "confirmedNamingRatePct": 0.6, "officialSite": "https://heathrowboxingclub.com/" },
    { "rank": 20, "name": "Miah Brothers Boxing", "confirmedNamedAnswers": 0, "confirmedNamingRatePct": 0.0, "officialSite": "https://www.miahbrothersboxing.com/" }
  ],
  "excludedBenchmark": { "name": "Box Centric", "reason": "Broader combat and gym offer, not a strict boxing-led commercial peer for this cohort", "providerTaggedCoreAnswers": 167 },
  "retrievedSources": {
    "unit": "Nonempty scored-core answers whose captured source list contained the domain at least once, deduplicated within each answer. Not total citations or traffic.",
    "denominator": 1421,
    "topDomains": [
      { "domain": "boxingtrainer.london", "answers": 258 },
      { "domain": "studiomaps.app", "answers": 250 },
      { "domain": "honourandglory.co.uk", "answers": 201 },
      { "domain": "12x3gym.co.uk", "answers": 182 },
      { "domain": "boxcleverldn.com", "answers": 171 }
    ]
  },
  "identityNotes": [
    "BoxcleverLDN: 390 provider-tagged core answers plus two contextual manual additions are confirmed; four further same-name answers remain unresolved, producing a 392 to 396 range.",
    "JAB Boxing Club: 164 provider-tagged core answers plus 19 contextual manual additions are confirmed; one malformed entity-card answer remains unresolved, producing a 183 to 184 range. Ordinary uses of 'jab' are excluded.",
    "The Box London: 76 provider-tagged core answers included one different BoxLondon business in Tooting/Colliers Wood. The East Acton operator has 75 confirmed answers.",
    "Durrant's Gym Performance: similarly named Jon Durrant/Victoria material was excluded from the tracked Fulham Road gym; two candidate answers remain uncertain, not silently promoted into the count."
  ],
  "limitations": [
    "The prompt set is designed and West/Central London-weighted; it is not representative of all searches or clubs.",
    "One answer can name several clubs, and a name can appear without a positive recommendation.",
    "Specific locality cuts had only 21 to 29 nonempty answers each; no single-locality rate is reported as a headline.",
    "A retrieved domain can appear without its operator being named; retrieval is not causation or endorsement.",
    "An absence in this set does not prove a club is absent from all AI answers or that it lacks relevant local demand.",
    "Prices, opening status and class schedules were checked against operator sources on 3 October 2026 and may change."
  ]
}