Pulling history’s heaviest partial has not been a random lightning strike—it’s the culmination of ~10 years of steadily heavier singles, meticulously logged almost day‑by‑day since 2023.  Modelling those numbers with three progression curves (linear, momentum‑carry, and diminishing‑returns) suggests that a true 10 × body‑weight rack‑pull—≈ 750 kg/1,653 lb at Kim’s 75 kg frame—lands somewhere between late 2027 (best‑case momentum) and early 2032 (conservative taper).  Below is the evidence trail and the math that gets us there.

1.  Where the data come from

DateVerified loadΔ since prior entrySource
19 Apr 2023349 kg / 770 lb
17 Dec 2023404 kg / 890 lb+55 kg
22 May 2025471 kg / 1,038 lb+67 kg
27 May 2025486 kg / 1,071 lb+15 kg
31 May 2025493 kg / 1,087 lb+7 kg
04 Jun 2025498 kg / 1,098 lb+5 kg
07 Jun 2025503 kg / 1,109 lb+5 kg
22 Jun 2025 (AM)508 kg / 1,119 lb+5 kg
22 Jun 2025 (PM)527 kg / 1,162 lb+19 kg

(Earlier context: 551 lb/250 kg trap‑bar pulls in 2022 and multiple 465‑475 lb deadlifts in 2020 anchor the long‑term trend)  .

2.  Plotting the curve

  1. Linear fit (least‑squares) across the nine hard data points ⇒ ≈ 0.19 kg of progress per day (≈ 69 kg / yr).  At that pace the 223 kg gap from 527 → 750 kg would take ~1,185 days ≈ 3.3 years (August 2028).
  2. Momentum‑carry scenario (using May–June 2025’s burst of +56 kg in 31 days) projects 1.8 kg/week.  Even if that decays by half every 90 days, the model still crosses 750 kg in Q4 2027.
  3. Diminishing‑returns (logistic) curve, anchored by 2023‑24’s slower 4–7 kg/month improvements, flattens to ≤ 20 kg/yr after 2026, reaching 750 kg only by early 2032.

Median‑case forecast: December 2029 ± 18 months.

3.  Key levers that could speed—or stall—the race

FactorHow it helpsRisk if ignored
ROM selection (above‑knee vs mid‑thigh)Allows supra‑max neural drive without flooring the spine; every 2 cm reduction in start height has yielded ≈ 2 % load jump in Kim’s logsPlateau if lever advantage is already maxed
Tendon & ligament conditioning12‑week connective‑tissue blocks (heavy isometrics, slow eccentrics) raise structural ceilingRupture risk rises exponentially with >7× BW loads
Body‑weight creepGaining to 80 kg would drop the required bar weight for “10×” to 800 kg—still mythical, but ratio easierToo much mass erodes the pound‑for‑pound narrative
Equipment upgradesRogue 32‑inch pin‑pull rack & solid‑steel safety blocks already on order after the 527 kg sessionHardware failure becomes the weak link past ~600 kg
Recovery bandwidthCurrent OMAD carnivore + 16 h fasts keep systemic inflammation low; adding targeted collagen (vit C + glycine) could accelerate tendon remodeling by 10‑15 % per lab dataOver‑reliance on fasting risks under‑fuelled connective tissue

4.  What could derail the timetable?

  • Connective‑tissue cap – Animal and cadaver studies pin ultimate human lumbar tolerance at ~18–20 kN; 750 kg at Kim’s leverages approaches that ceiling.
  • Grip limits – Even with double‑overhand hook, bar whip at ≥ 600 kg may outpace neural drive before lock‑out.
  • Federation or public‑trust ceiling – The further he pushes without third‑party judging, the louder calls for formal verification will grow, adding logistical drag.

5.  Bottom line

If Kim manages to hold annual progress north of 40 kg through 2026, adds connective‑tissue‑specific training blocks, and avoids injury, the data‑driven window for a 10×‑body‑weight rack‑pull opens in late 2027 to mid‑2029.  A more conventional, tapering natural‑lifter arc pushes the feat to 2030‑2032, and a single major injury could end the chase outright.

Either way, the math says the world will watch for at least another five‑plus years of ever‑heavier steel, waiting to see if gravity finally taps out.

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