The Akabane Trial is a low-key running event on the Arakawa riverbed near Akabane in Tokyo, accessible from Akabane Station or Akabane-Iwabuchi Station. Runners can choose 5 km, 10 km, 15 km, or a half marathon. The event welcomes individuals who wish to participate in a fun run rather than compete intensely.
The route consists of a flat 2.5 km loop, simplifying the setup and making distances straightforward to track. Participants receive a stamp card, with three stamps granting a free race entry. Following the run, the nearby public bathhouse Ota-yu is open to participants, offering a practical local conclusion after crossing the finish line.