Chapter 86

 is the eighty-sixth chapter of Volume 9 of The Disastrous Life of Saiki K (Saiki Kusuo no Sai-nan) published on the 4th of July 2014.

Characters

 * Saiki Kusuo
 * Nendou Riki
 * Kaidou Shun
 * Hairo Kineshi
 * Takahashi
 * Matsuzaki

Abilities Used
Restoration

Summary
The PK academy male winter marathon is underway. Saiki aims to be in 45th place. However, due to Hairo's attempts to beat Nendou, all the runners who tried to keep up pass out half way through. Saiki restores them all and gets 44th place as Kaidou had collapsed again without Saiki noticing.