《horse racing》running style (e.g. front runner)
riding style (of a keirin cyclist)
この馬は先行型の脚質だ。
This horse has a front-runner's running style.
脚質に合ったレース展開が大切だ。
It's important to develop the race to suit the horse's running style.
差し脚の脚質を持つ馬が終盤に追い込んだ。
The horse with a late-closing running style made a charge in the final stretch.