Gymnastics · United States · 2013–present

Simone Biles

Artistic gymnastics — all-around, vault, floor, beam

The most decorated gymnast in history, generating more power per inch than almost any athlete alive — five skills are named after her.

✓ THE AI'S #1 PICK: Artistic Gymnastics (floor, vault, balance beam/uneven bars; for men: floor, vault, parallel bars)

From nine measurements alone — no name, no photo — the AI ranked gymnastics first for this build.

⚡ The AI even named Simone Biles as an example athlete for this build — without ever seeing the name.

BODY MEASUREMENTS

MeasurementValueSource
Height142 cmEncyclopaedia Britannica
Weight47 kgEncyclopaedia Britannica
Wingspan142 cmEst.1
Leg Length, Inseam66 cmEst.2
Torso Length48 cmEst.3
Shoulder Width35 cmEst.4
Hip Width32 cmEst.5
Hand Size15 cmEst.6
Foot Size21.5 cmEst.7
  1. 1.00×height (female population ratio; no published arm span)
  2. 0.466×height
  3. height − legLength − 0.19×height (head/neck)
  4. 0.245×height
  5. 0.233×height −3% (gymnast adjustment)
  6. 0.104×height
  7. 0.152×height (no reliably published shoe size)

WHAT THE AI SAW

Build type

COMPACT AND POWERFUL

  • Very short, compact frame with low center of mass
  • Neutral ape index (0)
  • Short legs relative to height with relatively longer torso—favorable for squatting mechanics and rotational control
  • Narrow shoulders and hips, small hands/feet—excellent for rotation, balance, and minimizing drag/splash

THE AI'S SPORT RANKINGS

#1

Artistic Gymnastics (floor, vault, balance beam/uneven bars; for men: floor, vault, parallel bars)

Extraordinary

Elite gymnasts tend to be short and compact with low centers of mass for stability and rapid rotation. Your short legs/longer-torso combo enhances tumbling, vault blocking, and landings; small feet/hands aid precision on beam and bars. Narrow shoulders aren’t a major limitation for these apparatus.

Simone BilesNadia ComaneciRebeca AndradeKenzo Shirai
#2

Olympic Weightlifting (lower weight categories)

Excellent

Shorter legs and a relatively longer torso favor upright squats and efficient pull-under mechanics. Compact stature shortens bar path; small feet enhance stability in the catch. Hook grip mitigates smaller hands. Expect particular strength in clean & jerk receiving positions and front/back squat strength.

Kuo Hsing-ChunLong QingquanOm Yun-cholHidilyn Diaz
#3

Springboard/Platform Diving

Excellent

Compact body with small hands/feet reduces splash and increases rotational speed for somersaults/twists. Narrow shoulders and low COM improve body line control and quick shape changes in the air.

Quan HongchanChen RuolinTom DaleyJack Laugher
#4

Figure Skating (singles)

Very good

Short limbs decrease rotational inertia for jumps and spins; small feet enable rapid edge changes and precise takeoffs/landings. Shorter stride length is a trade-off for top speed, but rotational and balance advantages remain strong.

Shoma UnoAlina ZagitovaNathan Chen
#5

Flat Horse Racing (Jockey)

Very good

Very small stature and low body mass are advantageous for racing weights, reduced aerodynamic drag, and maintaining a stable crouch over the saddle. Requires sport-specific balance, leg endurance, and tactical skill.

Frankie DettoriYutaka TakeJoao Moreira

BIOMECHANICAL READ

  • 1Low center of mass enhances balance (beam, acrobatics) and stability on landings.
  • 2Short limb lengths reduce rotational inertia—faster flips, twists, and spins (gymnastics, diving, figure skating).
  • 3Relatively longer torso and short legs improve upright squat mechanics and receiving positions (Olympic weightlifting).
  • 4Compact frame reduces range of motion for many lifts, improving mechanical efficiency (particularly squat/bench variants).
  • 5Small hands/feet minimize splash and aerodynamic/hydrodynamic profile (diving) and aid precise foot placement (beam, skating).
  • 6Neutral reach avoids penalties in apparatus where long levers are not required (vault, floor, tumbling).

LESS ADVANTAGEOUS IN

  • Rowing (scull/sweep) and kayak sprint—benefit heavily from long levers and reach.
  • Basketball, volleyball, handball—height and wingspan are major performance determinants.
  • Swimming (freestyle/backstroke/butterfly)—long wingspan strongly favored; breaststroke somewhat less but still reach-dependent at elite level.
  • Track events emphasizing stride length and hurdle clearance (200–400 m, hurdles) and vertical jumps (high jump, pole vault).
  • Throwing events (javelin, discus, shot put)—prefer tall, broad frames and long levers for release velocity.
  • Striking combat sports reliant on reach (boxing, kickboxing, taekwondo) without compensatory clinch/grappling focus.
  • Outdoor rock climbing on reachy routes—neutral ape index and short stature can be limiting on big spans (though strength-to-weight can offset on some styles).

METHODOLOGY

The AI analysis above was generated from the nine measurements listed — nothing else. The model never saw Simone Biles's name, photo, or sport; it received the same anonymous input as any visitor who uses the tool. The verdict compares its blind rankings with reality.

Measurements marked Est. are not publicly documented and were estimated from published data using the noted anthropometric ratios.

This page is editorial commentary. My Best Sport is not affiliated with or endorsed by Simone Biles.

MORE ATHLETES

WHAT ARE YOU BUILT FOR?

Enter your own measurements and get the same AI analysis Simone Biles got.

ANALYZE MY BUILD →