digital painting, <lora:SMUXL_alpha_single:1>, smusmu, green sheer see-through singlet, 1 muscular man, outdoors, running marathon in park trail, full body, stubble beard, short hair,, (masterpiece, high quality:1.1), (highly intricate details:1.1), (best quality:1.1) (8K, UHD:1.1), smoky air, backlight, backlit, high contrast