先頭集団 せんとうしゅうだん Meanings Noun leading group (of runners in a marathon, etc.); leading pack Kanji 先 ahead. Read as セン. 頭 head. Read as トウ. 集 gather. Read as シュウ. 団 group. Read as ダン. Common phrases 先頭集団から遅れる 先頭集団を引っ張る 先頭集団に食らいつく 先頭集団に追いつく Jinuma: Japanese Dictionary · Word lists