High-Contrast Commercial Sports Photography of Runner

{
  "meta": {
    "aspect_ratio": "4:5",
    "quality": "commercial_advertising_realism",
    "resolution": "8k",
    "camera": "Canon EOS R3",
    "lens": "16-35mm f/2.8L wide angle",
    "shutter_speed": "1/2000s (frozen motion)",
    "style": "high-contrast sports photography, heroic angle, vivid colors, brand campaign aesthetic"
  },

  "scene": {
    "location": "High-altitude training ground (Kenya/Ethiopia aesthetic)",
    "environment": [
      "clear gradient blue sky (deep teal to cyan)",
      "rough textured earth mound in foreground",
      "minimalist composition"
    ],
    "time": "mid-day",
    "lighting": {
      "type": "hard direct sunlight",
      "direction": "high side-backlight",
      "contrast": "very high",
      "shadows": "deep, defining muscle definition",
      "highlights": "specular sheen on sweaty skin"
    },
    "atmosphere": "intense physical effort, limitless potential, clean air"
  },

  "camera_perspective": {
    "pov": "worm's-eye view (extreme low angle)",
    "framing": "full body in mid-air",
    "position": "ground level looking up",
    "focus": "sharp focus on the runner and shoes, deep depth of field",
    "composition": "subject off-center to the right, negative space on left for logo"
  },

  "subject": {
    "type": "Elite Marathon Runner",
    "gender": "male",
    "ethnicity": "East African",
    "body_physics": {
      "build": "ultra-lean, marathon physique, extremely low body fat",
      "musculature": "highly defined calves and quads, visible striations",
      "vascularity": "visible veins on arms and legs due to exertion",
      "skin_texture": "deep melanin-rich skin, realistic pores, heavy sweat sheen reflecting the sun (NOT plastic, wet look)",
      "sweat": "beads of sweat visible on shoulders and forehead"
    },

    "pose": {
      "action": "sprinting mid-stride (flight phase)",
      "legs": "full extension, wide stride, left knee driving high, right leg fully extended back",
      "arms": "dynamic pumping motion, elbows tucked",
      "head": "tilted slightly down, focused gaze",
      "energy": "explosive forward momentum, weightless"
    },

    "outfit": {
      "top": {
        "type": "pro-grade running singlet",
        "color": "white",
        "fabric": "lightweight technical mesh",
        "fit": "loose but flowing with motion"
      },
      "bottom": {
        "type": "split running shorts",
        "color": "{argument name="shorts color" default="rust/maroon"} with micro-grid texture",
        "fit": "short, technical cut for range of motion",
        "details": "small white logo visible on leg"
      },
      "footwear": {
        "type": "Nike Alphafly/Vaporfly racing shoes",
        "sole": "thick white foam stack (high stack height)",
        "colorway": "white/cream with orange/red accents on outsole",
        "condition": "mid-impact aesthetic"
      },
      "accessories": {
        "wrist": "black digital sport watch on left wrist",
        "arm": ""
      }
    }
  }
}