The Horse Racing: Medium-Dark Skin Tone emoji is a modifier sequence combining ? Horse Racing and ? Medium-Dark Skin Tone. These display as a single emoji on supported platforms.
Horse Racing: Medium-Dark Skin Tone was added to Emoji 4.0 in 2016.
U+1F3C7
U+1F3FE
?? Horse racing
?? Emoji modifier fitzpatrick type-5