Ep. 13: Kakeru reflects on high school isolation and Sakaki's grudge under the stars with Haiji.
Aired on January 16, 2019

Kakeru struggles with flashbacks of his time as the high school coach's favorite, recalling the isolation and cruelty that pushed elite runners to their breaking point. During a grueling practice, he attempts to confront Sakaki, but his friends intervene before any conflict occurs. Haunted by memories of choosing his own destruction, Kakeru agonizes over his past. Later, under a starry sky, Haiji joins him. Kakeru explains the history behind Sakaki's resentment, leading to a moment where he is encouraged to open up to his teammates. This act of vulnerability strengthens their bond and friendship.
Episodes
- Ep. 9 · Kakeru challenges Prince regarding team reliance based on upcoming track meet results.
- Ep. 10 · Kakeru becomes temporary captain and helps Prince after Haiji faints
- Ep. 11 · Rains persist as Shindo and Yuki struggle with personal records while Fujioka Kazuma is spotted.
- Ep. 12 · Kansei University race begins with Kakeru breaking limits and Haiji leading training at Lake Shirakaba
- Ep. 13 · Kakeru reflects on high school isolation and Sakaki's grudge under the stars with Haiji.
- Ep. 14 · Yuki shows interest in training as the team runs and celebrates with fireworks
- Ep. 15 · The team sets records and faces qualifiers while Kakeru enters his zone.
- Ep. 16 · Haiji avoids a crash while rain intensifies the Tokyo-Hakone Ekiden race
- Ep. 17 · Haiji faces opposition from Jota and Joji while seeking his own reason for running.