6 members, 5 runners and 1 relationer, create one team to dash through town, and race for the fastest times in the extreme sport “Stride”.”Stride” started as an extracurricular activity for high school, and was gaining popularity across the country. However, Honan High School Stride team was on the brink of being terminated. Takeru Fujiwara and Nana Sakurai, new first years that joined the Stride team, approach their classmate Riku Yagami in order to restart the Stride team. Riku declines Takeru and Nana’s offer, saying “Stride” was the one thing he didn’t want to do. However, Riku was dragged to the Stride teamhouse by the pair, and ends up having to run a match of Stride with whether or not to join the team on the line…

以六人一组的队伍，其中一位作为指挥，其余五人担任跑者，是以都市街道为比赛舞台的街头田径接力赛。起初因为“方南学园疾走社”比赛影片而对此项运动非常著迷的少女“樱井奈奈”，高中进入方南学园高中就读后，为了重振即将废社的疾走社，与疾走社的少年们相遇，跨越障碍以高中疾走竞赛的顶点——东日本大会“EndofSummer”为目标迈进。