breezing
n.— «Ms. Studart starts most days at Belmont by 7 a.m. She spends mornings “breezing”—racing parlance for galloping at top speed—horses for various trainers, her braided hair flying behind her.» —“A Long Way From Home, Moving at Great Speed” in Cara Buckley New York Times Mar. 27, 2009. (source: Double-Tongued Dictionary)